Livestock predation by jaguars Panthera onca in south-eastern Mexico: the role of local peoples' practices

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Livestock predation by jaguars Panthera onca in south-eastern Mexico: the role of local peoples' practices
Livestock predation by jaguars Panthera onca in
                south-eastern Mexico: the role of local peoples’
                practices
                                          JUAN L. PEÑA-MONDRAGÓN, ALICIA CASTILLO, ALMIRA HOOGESTEIJN
                                                                          and E N R I Q U E M A R T Í N E Z - M E Y E R

                Abstract Inadequate livestock husbandry practices threaten                             Introduction
                the maintenance of global biodiversity and provoke conflicts
                between people and wildlife, and large carnivorous mam-
                mals are among the most affected. The jaguar Panthera
                                                                                                       L    arge carnivores play an important role in ecological
                                                                                                            processes. They affect the density and dynamics of
                                                                                                       prey species, with cascade effects on ecosystems (Ripple
                onca is one of the most threatened species in the Americas,                            et al., ). Habitat fragmentation disturbs the behaviour
                being targeted by livestock producers who suffer economic                              of carnivores with large home ranges (Woodroffe, ),
                losses as a result of predation. The way in which rural produ-                         and brings them into conflict with people (Thirgood et al.,
                cers in countries such as Mexico conduct husbandry practices                           ). Inadequate livestock husbandry is considered a major
                may influence levels of predation by jaguars. Our objective was                        threat in this regard, particularly in non-industrialized
                to understand how such practices are conducted in the Selva                            countries (Hull et al., ) where livestock production is
                Lacandona in south-eastern Mexico, to identify their influ-                            badly managed (Ripple et al., ). On the American con-
                ence on the vulnerability of livestock to predation by jaguars.                        tinent, jaguars Panthera onca are considered to be a threat to
                We characterized local husbandry practices through partici-                            livestock, and conflicts between rural communities and ja-
                pant observation, interviews and surveys. Our results show                             guars are common (Caso et al., ; Peña-Mondragón &
                that the most important practices that make livestock vulner-                          Castillo, ). In Mexico the jaguar has been extirpated
                able to predation include the location of grazing lands close to                       from % of its original distribution (Chávez & Ceballos,
                forested areas and water sources, the absence of practices for                         ); meanwhile livestock production has developed ex-
                the proper disposal of carcasses, and poor control of calving                          tensively (Chauvet, ), and in  cattle occupied
                and care of calves. Our recommendations include monitoring                              million ha (INE, ). The land occupied by jaguars
                of livestock movements and synchronization of calving.                                 is owned by rural inhabitants, with –% of Mexico’s
                Economic investment and behavioural change can be accom-                               forested areas owned by indigenous and mestizo communi-
                plished through capacity building and providing people with                            ties (Bezaury-Creel & Gutiérrez Carbonell, ). The term
                the means to monitor and manage their livestock. Small ac-                             peasant is commonly used (corresponding to campesino in
                tions can reduce livestock losses and improve the economic                             Spanish) to refer to these groups, and denotes a way of living
                circumstances of rural people, and thus increase their toler-                          that includes multiple uses of natural resources.
                ance and respect towards jaguars.                                                          The tropical rainforest of the Selva Lacandona in the state
                Keywords Human–carnivore conflict, jaguar, livestock                                   of Chiapas is a priority site for jaguar conservation in
                husbandry, Mexico, Panthera onca, social–ecological ap-                                Mexico (Chávez & Ceballos, ), although illegal hunting
                proach, vulnerability to predation                                                     occurs throughout the species’ range in Mexico (Amador-
                                                                                                       Alcalá et al., ). In  the , ha Montes Azules
                To view supplementary material for this article, please visit                          Biosphere Reserve was designated to secure the long-term
                http://dx.doi.org/./S                                            maintenance of regional biodiversity (SEMARNAP, ).
                                                                                                       Agriculture and livestock production are important liveli-
                                                                                                       hood activities in the region, with the latter representing
                JUAN L. PEÑA-MONDRAGÓN and ALICIA CASTILLO (Corresponding author)                      one of the main sources of income for rural people. Thus,
                Laboratorio de Socioecología y Comunicación para la Sustentabilidad,                   perceived and actual predation of livestock by jaguars puts
                Instituto de Investigaciones en Ecosistemas y Sustentabilidad, Universidad
                Nacional Autónoma de México, Antigua Carretera a Pátzcuaro 8701 Col Sn.
                                                                                                       the species at risk of persecution and elimination
                José de la Huerta, C.P. 58190, Morelia, Michoacán, Mexico                              (SEMARNAT, ). Although predation of livestock by
                E-mail castillo@cieco.unam.mx                                                          large mammals has been widely studied (Conforti &
                ALMIRA HOOGESTEIJN Laboratorio de Salud Ambiental, Departamento de Ecología            Azevedo, ; Hoogesteijn & Hoogesteijn, ; Rumiz
                Humana del CINVESTAV-IPN (Unidad Mérida), Mérida, Yucatán, Mexico
                                                                                                       et al., ; Peña-Mondragon & Castillo, ) it remains un-
                ENRIQUE MARTÍNEZ-MEYER Instituto de Biología, Universidad Nacional                     clear which livestock husbandry practices may trigger pre-
                Autónoma de México, Coyoacán, 04510 Ciudad de México, Distrito Federal,
                Mexico                                                                                 dation. If livestock husbandry influences levels of
                Received  May . Revision requested  June .                                 predation by carnivores such as jaguars, there is clearly a
                Accepted  August . First published online  February .                      need to understand the motivations and needs of the people

                                                                                           Oryx, 2017, 51(2), 254–262 © 2016 Fauna & Flora International doi:10.1017/S0030605315001088
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Livestock predation by jaguars in Mexico                    255

                                                                                                                                               FIG. 1 Sites where livestock
                                                                                                                                               were attacked by jaguars
                                                                                                                                               Panthera onca in ejidos
                                                                                                                                               adjacent to the Montes Azules
                                                                                                                                               Biosphere Reserve, in the
                                                                                                                                               Mexican state of Chiapas. ,
                                                                                                                                               Zamora Pico de Oro; ,
                                                                                                                                               Reforma Agraria; , Nuevo San
                                                                                                                                               Isidro; , López Portillo; ,
                                                                                                                                               Adolfo López Mateos; ,
                                                                                                                                               Galacia; , Playón de la Gloria;
                                                                                                                                               , Flor Marques; , Boca
                                                                                                                                               Chajúl; , Loma Bonita.

              involved, and the various aspects of their practices. Thus our                         human practices we used research instruments from the so-
              main objective was to characterize livestock husbandry                                 cial sciences applied to the environmental sciences
              practices to identify those that increase the risk of predation                        (Supplementary Material ; Newing et al., ). We also col-
              of livestock by jaguars in the rural communities adjacent to                           lected ecological information related to the identification of
              the Montes Azules Biosphere Reserve.                                                   sites of livestock predation and landscape fragmentation, to
                                                                                                     construct an overview of the human–jaguar conflict.
              Study area                                                                                 We conducted four exploratory visits during –.
                                                                                                     As a first step, following our ethical code of conduct, we ex-
              The study was conducted in ‘ejidos’ (a system of land tenure                           plained the project to local people and asked the local au-
              that combines individual and communal possession;                                      thorities for permission to conduct the research. Gaining
              Warman, ) adjacent to the Montes Azules Biosphere                                  trust and empathy was essential, as jaguars are a protected
              Reserve in the Selva Lacandona (Fig. ), which hosts a                                 species and their elimination is sanctioned with fines and
              high diversity of Neotropical flora and fauna (Miller et al.,                          prison sentences (Tarrés, ). We collected data during
              ). Deforestation rates of up to % were recorded in                               five -day visits, in February and October , March
              the study area during – (Carabias et al., ).                               and September  and January , using participant ob-
              Culturally, the Selva Lacandona comprises indigenous and                               servation, surveys (closed-ended questionnaires) and semi-
              mestizo communities, which have migrated there since the                               structured interviews in which we asked open questions and
              beginning of the th century, mainly from the mountain-                               allowed participants to talk freely (Table ; Taylor & Bogdan,
              ous regions of Chiapas (De Vos, ). The Reserve is im-                              ; Patton, ). For practical purposes the surveys and
              portant for jaguar conservation (Chávez & Ceballos, )                              interviews were integrated into a single instrument, and we
              but there may be only – individuals remaining there (de                           recorded the answers to both types of questions on a form.
              la Torre & Medellín, ).                                                            Localities were selected based on evidence of jaguar pres-
                                                                                                     ence nearby; key actors were identified as those whose live-
              Methods                                                                                stock had been attacked by jaguars. Thirty-two heads of
                                                                                                     families agreed to participate in the study; these were en-
              We used a socio-ecological systems research approach                                   listed using the snowball sampling method (Newing et al.,
              (Berkes & Folke, ). As our questions were related to                               ), where participants were asked to refer others who

              Oryx, 2017, 51(2), 254–262 © 2016 Fauna & Flora International doi:10.1017/S0030605315001088
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https://doi.org/10.1017/S0030605315001088
256         J. L. Peña-Mondragón et al.

                TABLE 1 Methods used for data collection.                                              grazed on plots of pasture delimited by barbed wire fences,
                                                                                                       which in some cases are adjacent to borders or transition
                Method                                Objective
                                                                                                       areas with forest patches. Livestock reproduction occurs in
                Informal talks in the com-            To establish initial contact with
                                                                                                       the corral and pasture units. Livestock move within border
                munity (Sanchez, 2004)                local people, gain access to the
                                                      community & identify stakeholders
                                                                                                       zones and forested lands to obtain water from streams or
                Participant observation               To record observations, events &                 natural springs.
                (Sanchez, 2004)                       daily activities in relation to live-                The various aspects of livestock husbandry practices are
                                                      stock management (including                      illustrated in Fig. . Four broad themes emerge from the
                                                      talking to people while participat-              data: () general aspects of livestock practices, () herd im-
                                                      ing in local activities)                         provement, () economic income, and () economic losses.
                Surveys (Hernández-                   To obtain information regarding                  These themes encapsulate the main aims of rural families in
                Sampieri et al., 2008)                specific aspects of cattle herds,
                                                      economic investments, products &
                                                                                                       raising livestock: to increase production and economic in-
                                                      derivatives                                      come to improve their well-being.
                Semi-structured interviews            To obtain detailed information re-                   More than half of those interviewed (%) had subdivi-
                (Sierra, 1998)                        garding processes, motivations &                 sions within their fenced grazing areas, and rotated livestock
                                                      needs of producers, which is diffi-              every – days within each subdivision. Access to water for
                                                      cult to obtain through surveys                   livestock was limited to natural sources such as rivers,
                                                                                                       streams and springs, which are abundant in the area; all par-
                                                                                                       ticipants expressed a commitment not to log trees, and to
                may have had similar problems. People were willing to talk                             protect vegetation surrounding sites that provided water.
                and were open to providing information. During the field-                              The disposal of animal waste was another important aspect
                work  attacks on livestock by jaguars were confirmed                                 of animal husbandry; dead animals were left where they were
                through examining carcasses (Fig. ).                                                  found and were not buried or burned. Reproduction was car-
                    Data analysis consisted of quantifying responses to                                ried out through free mounting, in which a male is released
                specific closed-ended questions, and constructing categories                           close to females. Sometimes directed mounting was carried
                based on the responses provided to open questions (Strauss,                            out with a borrowed male stud. Reproduction was conducted
                ; Newing et al., ). The categories are intended to re-                         in corrals and in the grazing zones (Fig. ). None of the in-
                flect the ideas and actions of people according to their own                           terviewees reported a schedule of vaccinations, and veterin-
                perspectives, motivations and needs. Frequencies and per-                              ary assistance would be sought only after considerable losses
                centages were calculated for each category. As participants                            had occurred. Only % of interviewees had control of their
                could give more than one response to the same question,                                herd (by means of ear tags or burn marks); % reported in-
                in some cases the percentages exceed %. A first analysis                            dividual numbering of each head of livestock, mainly to meet
                consisted of spatially locating each category of livestock                             the requirements of governmental assistance programmes,
                practices reported. A qualitative indicator of the vulnerabil-                         such as the Program of Stimuli for Livestock Productivity.
                ity of livestock to predation by jaguars was constructed to                            Ear tags or brands are used to identify individuals within a
                identify the variables involved and their relative importance,                         herd. In relation to infrastructure, possession of corrals
                which was useful for informing recommendations (Table ).                              (%) and internal subdivisions (%) were most commonly
                Forage, capture and prey consumption were the three                                    reported by interviewees (Table ).
                elements used to determine whether vulnerability was                                   Herd improvement Herd improvement is based on nutrition,
                high, medium or low, following optimal foraging theory                                 and the only food supplement interviewees could provide was
                (Gutiérrez, ). A value was then assigned for each activity                         mineral salt. Stud males, used to maintain the genetic health
                involved in livestock management.                                                      of livestock herds, are acquired at livestock auctions or are
                                                                                                       loaned from other producers (Table ). Females are returned
                                                                                                       to their reproductive condition through early weaning of
                Results
                                                                                                       calves, and are crossed with a new male.
                Figure  relates livestock practices with the type of sur-                             Family income Families seek to increase their herds to sell
                roundings where these take place (i.e. human settlement,                               animals or derivatives. For % of interviewees, live animals
                corral, pastureland, border or transition zone, or tropical                            ,  months of age were the most lucrative product; only %
                rain forest). Decisions concerning issues such as the location                         of respondents produced milk and cheese. Other sources of
                of family plots and rainforest units are taken at the ejido                            income included economic support from governmental
                community level. In the corral zone, animals may be re-                                agencies (% of interviewees) and self-employment (%).
                moved and kept closer to the family home to avoid the                                  Families also engaged in agricultural activities such as the
                spread of disease or attacks by predators. Livestock are                               cultivation of maize (%) and beans (%; Table ).

                                                                                           Oryx, 2017, 51(2), 254–262 © 2016 Fauna & Flora International doi:10.1017/S0030605315001088
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https://doi.org/10.1017/S0030605315001088
Livestock predation by jaguars in Mexico                    257

              TABLE 2 Indicator of vulnerability of livestock to predation in relation to various management activities, with recommendations for miti-
              gation, and the type of change needed.

                                           Indicator of vulnerability1
              Management                   Easy       Easy          Quick               Vulnerability                                                           Type of changes
              activity                     access     capture       consumption         level2                Recommendations for mitigation                    needed
              Livestock grazing            3          3             3                   High                  Relocate grazing areas away from                  Economic
                areas near con-                                                                               forested lands. If this is not possible,          investment
                served forests                                                                                create a double perimeter fence in
                                                                                                              areas adjacent to forested areas.
              Cattle drink water in        3          3             2                   High                  Build drinking troughs away from ri-              Economic
                riparian zones                                                                                parian areas; water can be extracted              investment
                                                                                                              from streams & moved through gravity
                                                                                                              systems.
              Inappropriate hand-          3          3             2                   High                  Bury or burn livestock carcasses.                 Behavioural
                ling of cattle                                                                                                                                  change
                carcasses
              No control of re-            2          2             2                   Medium                Synchronize mating seasons for better             Behavioural
                production &                                                                                  control of births.                                change
                births
              Poor veterinary              2          2             1                   Medium                Establish vaccine schedules. Carry out            Behavioural
                supervision                                                                                   veterinary monitoring of herds                    change
                                                                                                              throughout the year.
              Poor control of herd         2          1             1                   Medium                Establish adequate recording of sales,            Behavioural
                                                                                                              deaths, births, & losses from various             change
                                                                                                              causes.
              Poor handling                1          1             1                   Low                   Keep mature females with experience               Behavioural
                                                                                                              in defending their calves. Avoid                  change
                                                                                                              dehorning.
              Poor infrastructure          2          1             0                   Low                   Invest in perimeter fencing to improve            Economic
                for mitigating                                                                                separation between pasture lands &                investment
                livestock                                                                                     forested areas. Invest in nocturnal
                predation                                                                                     confinement corrals to protect young
                                                                                                              animals.
              Nutritional                  2          2             0                   Medium                Invest in food supplements that fortify           Economic
                management                                                                                    animals. When possible, use native                investment
                                                                                                              forage plants as supplements.
              Fertility                    1          1             0                   Low                   Do not wean early. Seek veterinary                Behavioural
                management                                                                                    advice to establish strategies for fertil-        change
                                                                                                              ity increase.
              Sourcing of stallions        0          1             0                   Low                   Source males from various places to               Economic invest-
                                                                                                              improve genetic pools.                            ment & behav-
                                                                                                                                                                ioural change
              
               , no influence; , low influence; , medium influence; , high influence
              
               Sum of vulnerability indicators: –, low; –, medium; –, high vulnerability

              Economic loss Diseases were perceived to be one of the main                            allows us to identify factors that impede or restrict changes
              factors affecting livestock production; % of interviewees                            in practices that could mitigate predation.
              reported rabies (viral encephalomyelitis) and % reported
              anthrax (Bacillus sp.). Predators were another relevant fac-
                                                                                                     Discussion
              tor in economic losses, according to % of interviewees.
              Although we did not ask directly about livestock theft, as                             Few studies have examined the role of rural peoples’ livestock
              it is a sensitive subject, it was mentioned by at least  inter-                      practices in relation to predation by jaguars. Our field experi-
              viewees (Table ).                                                                     ence indicates that the conflict is accepted among rural inha-
              Vulnerability to predation The management practices that                               bitants, government authorities and conservationists
              expose livestock to risk of predation by jaguars are outlined                          working in the Selva Lacandona region. However, cam-
              in Table . The qualitative indicator of livestock vulnerability                       paigns and mitigation programmes have been conducted

              Oryx, 2017, 51(2), 254–262 © 2016 Fauna & Flora International doi:10.1017/S0030605315001088
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https://doi.org/10.1017/S0030605315001088
258         J. L. Peña-Mondragón et al.

                                                                                                                                                FIG. 2 Spatial distribution of
                                                                                                                                                the major components of
                                                                                                                                                livestock practices in ejidos
                                                                                                                                                adjacent to the Montes Azules
                                                                                                                                                Biosphere Reserve (Fig. ). The
                                                                                                                                                shading indicates the intensity
                                                                                                                                                of the activity (black, high
                                                                                                                                                intensity; dark grey, medium
                                                                                                                                                intensity; light grey, low
                                                                                                                                                intensity).

                FIG. 3 Categories and specific practices relating to general livestock husbandry, herd improvement, income and economic losses in
                south-eastern Mexico (Table ), and the relationships between them (solid and dashed lines represent positive and negative
                relationships, respectively). The categories within the grey-shaded boxes correspond to management practices that affect livestock
                predation by jaguars, and those within white boxes indicate responses of interviewees.

                without a deep understanding of the views of those affected                            throughout the jaguar’s natural range (Azevedo & Murray,
                by the conflict. Our results may be restricted to the Selva                            ; Palmeira et al., ; Donikar et al., ; Soto-
                Lacandona region but the context of our study is similar to                            Shoender & Giuliano, ; Garrote, ; Zarco-González
                that in other places in Mexico, as well as in Central and South                        et al., ; Soh et al., ). We also identified this pattern,
                America (Burgas et al., ; Tortato et al., ).                                   with cattle becoming vulnerable to predation when they
                   Livestock grazing near well-preserved portions of jaguar                            move near natural areas to obtain food and water.
                habitat has been reported as a major cause of predation                                Another factor that contributes to livestock vulnerability is

                                                                                           Oryx, 2017, 51(2), 254–262 © 2016 Fauna & Flora International doi:10.1017/S0030605315001088
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https://doi.org/10.1017/S0030605315001088
Livestock predation by jaguars in Mexico                    259

              TABLE 3 Categories and specific practices relating to the general management of livestock, herd improvement, income and economic losses,
              with the percentage of interviewees (n = ) who used each practice.

              Category                                                                     Specific practices                                                                  %
              General management of livestock
              Type of grazing                                                              Free within fenced area                                                             100
                                                                                           Grazing rotation                                                                    62.5
              Water sources                                                                Rivers & streams                                                                    100
              Carcass control                                                              Carcasses not moved                                                                 81.25
                                                                                           Moved when useful                                                                   18.75
              Reproduction                                                                 Free mount                                                                          100
                                                                                           Mount directed                                                                      3.12
              Disease control                                                              When necessary (corrective)                                                         100
              Herd control                                                                 Individual marking                                                                  46.87
                                                                                           Family tree                                                                         25
                                                                                           Written control                                                                     25
                                                                                           Record of individuals                                                               18.75
                                                                                           Record of deaths                                                                    9.37
              Handling of herd                                                             Vaccination                                                                         100
                                                                                           Anti-mite shower                                                                    100
                                                                                           Dehorning                                                                           37.37
                                                                                           Castration                                                                          12.5
              Infrastructure                                                               Management corrals                                                                  59.37
                                                                                           Internal subdivisions                                                               50
                                                                                           Internal roads                                                                      46.87
                                                                                           Feeders                                                                             43.75
                                                                                           Night corrals                                                                       12
                                                                                           Barns                                                                               6.25
              Herd improvement
              Nutrition                                                                    Mineral salt                                                                        100
              Fertility increase                                                           Early weaning                                                                       50
                                                                                           Male effect                                                                         12.5
                                                                                           Hormonal                                                                            9.37
              Origin of stallion                                                           Auction                                                                             46.87
                                                                                           Other cattle owner                                                                  46.87
                                                                                           Own                                                                                 21.87
              Income
              Livestock products                                                           Sale of cattle                                                                      96.87
                                                                                           Milk                                                                                6.05
                                                                                           Cheese                                                                              6.25
              Supplementary economic activities                                            Workforce                                                                           3.12
                                                                                           Government support                                                                  21.87
                                                                                           Local business                                                                      12.5
                                                                                           Local transport                                                                     3.12
                                                                                           Temporary employment                                                                3.12
              Agricultural supplies                                                        Corn                                                                                75
                                                                                              Subsistence                                                                      75
                                                                                              Sale                                                                             50
                                                                                           Bean                                                                                71.8
                                                                                              Subsistence                                                                      71.8
                                                                                              Sale                                                                             53
              Economic losses
              Disease                                                                      Rabies (viral encephalomyelitis)                                                    56.25
                                                                                           Anthrax (Bacillus anthracis)                                                        50.5
                                                                                           Malignant edema (Clostridium septicum)                                              37.5
                                                                                           Blackleg (Clostridium chauvoei)                                                     21.87
                                                                                           Dehydration                                                                         3.12
              Predators                                                                    Jaguar Panthera onca                                                                50
                                                                                           Theft
              Other                                                                        Stuck in mud                                                                        9.37
                                                                                           Attack by vultures                                                                  3.12

              Oryx, 2017, 51(2), 254–262 © 2016 Fauna & Flora International doi:10.1017/S0030605315001088
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260         J. L. Peña-Mondragón et al.

                the handling of dead animals. In the study area carcasses are                              Taking into account factors such as disease and preda-
                not removed, and this can encourage carnivores to attack                               tion, livestock production becomes an activity that requires
                livestock, and may even create some dependency or prefer-                              high levels of investment, which is impossible for the major-
                ence for livestock as a source of food (Hoogesteijn &                                  ity of families in the Selva Lacandona. Livestock theft must
                Hoogesteijn, ). Thus incineration or burying of dead an-                           also be evaluated as it results in significant losses for produ-
                imals is a recommended practice (Sander et al., ;                                  cers, as has occurred in South America (Hoogesteijn &
                Hoogesteijn & Hoogesteijn, ). Proper handling of repro-                            Arenas-Avella, ).
                duction activities and management of calves are also import-                               A broad conclusion derived from our findings is that sev-
                ant factors in reducing predation by carnivores (Schiess-Meier                         eral specific livestock husbandry practices make herds in the
                et al., ). Providing special confinement corrals for vulner-                       Selva Lacandona more vulnerable to attack by jaguars (these
                able young calves (,  months) provides security (Van                                  practices and our recommendations are outlined in Table ).
                Bommel et al., ; Hoogesteijn & Hoogesteijn, ) and                              Two broad types of changes were identified to implement
                facilitates vigilance by livestock keepers.                                            these recommendations: () economic investment, and ()
                    A relevant issue that emerged is the need for a written re-                        behavioural changes in communities and in relation to the
                cord of every animal that is sold or has died, whether by nat-                         cultural and educational histories of families. Both matters
                ural or other causes (e.g. disease, drowning, snake bite or                            require technical and communication interventions, with
                attack by a predator). This practice was not evident in our                            the provision of financial support. Mitigation programmes
                study, resulting in overestimation of the damage caused by                             already in existence should consider not only a payment for
                jaguars (Hoogesteijn & Hoogesteijn, ). We found that                               animals lost in attacks by carnivores (which is helpful) but
                the approach to disease management was remedial rather                                 also the implementation of a more integral strategy that in-
                than preventive, and this behaviour has been passed down                               cludes a capacity-building perspective (Abella & Fogel,
                through generations. Good health management results in                                 ). Training workshops that provide technical advice
                fewer losses at birth and in general, which in turn increases                          should be accompanied by visual educational materials de-
                productivity, and thus losses caused by predation are not as                           signed for people with poor literacy skills or who have little
                devastating to the family economy. In most cases livestock                             experience of using written materials. Provision of certifi-
                losses to predators are fewer than those caused by other fac-                          cates for good livestock practices may help people to get ac-
                tors, including disease (Hoogesteijn & Hoogesteijn, ). At                          cess to economic support and resources such as materials
                present, disease management is mostly confined to vaccin-                              for fences or veterinary assistance. One important recom-
                ation programmes administered by government agencies.                                  mendation relates to the monitoring of livestock herds. We
                This economic incentive accompanied by an educational                                  advise the use of written records of all livestock, which could
                campaign could raise awareness of the benefits of more ef-                             be maintained by marking in special notebooks designed for
                ficient livestock practices.                                                           those with a low level of literacy (Supplementary Fig. S).
                    Early weaning is a harmful practice used to increase ani-                              Finally, we recommend that agents such as the govern-
                mal production. It is not recommended as it can lead to low                            ment and NGOs provide educational interventions
                meat production; a young calf left with its mother can be                              (awareness-raising and training) as well as economic sup-
                more productive (Arias et al., ). It can also lead to di-                          port to help families improve their livestock husbandry
                gestive and respiratory illnesses, as well as diseases related                         practices. Conversion to efficient and productive practices
                to poor adaptation as a result of weak body state and/or re-                           would improve families’ economic circumstances, which
                tarded growth (Soni, ). Thus, early weaning produces                               could translate into greater investment in infrastructure
                weaker individuals that may be more susceptible to diseases,                           and veterinary care, and ultimately increase productivity.
                and vulnerable to predation by carnivores such as the jaguar.                          Such actions can be effective in mitigating conflict, and
                Changing this practice will require training to ensure that                            may create a scenario of greater tolerance for jaguars in
                producers understand the infrastructure required for the ap-                           the Selva Lacandona.
                propriate management of both mothers and young.
                    Livestock production in the Selva Lacandona represents a
                source of complementary income for families, as in other                               Acknowledgements
                parts of Mexico and elsewhere (FAO, ; Davies et al.,
                ). There is a need to supplement the family economy                                This paper constitutes a partial fulfilment of the Graduate
                with governmental support and subsistence agriculture                                  Programme in Biological Science (Posgrado en Ciencias
                partly because livestock production does not provide the                               Biológicas) of the National Autonomous University of
                yields expected. However, this creates a circular problem:                             Mexico (UNAM). AC acknowledges the PhD scholarship re-
                because livestock does not provide the necessary earnings                              ceived from the National Council of Science and Technology
                people do not invest in better management of their livestock,                          (CONACYT) and the support received from the Instituto de
                although this would increase their returns in the long term.                           Investigaciones en Ecosistemas y Sustentabilidad of UNAM.

                                                                                           Oryx, 2017, 51(2), 254–262 © 2016 Fauna & Flora International doi:10.1017/S0030605315001088
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https://doi.org/10.1017/S0030605315001088
Livestock predation by jaguars in Mexico                           261

              Funding was provided by Idea Wild, Cleveland Metroparks                                            H.A. Mooney, F. Schneider & L.E. Neville), pp. –. Island
              Zoo and the Cleveland Zoological Society. We thank Keith                                           Press, Washington, DC, USA.
                                                                                                             D E L A T O R R E , J.A. & M E D E L L Í N , R.A. () Jaguars Panthera onca in
              MacMillan and Mary-Ann Hall for editing the English. We
                                                                                                                 the Greater Lacandona Ecosystem, Chiapas, Mexico: population
              are especially grateful to all those in the rural communities                                      estimates and future prospects. Oryx, , –.
              who kindly participated in this research.                                                      D E V O S , J. () Oro verde. La conquista de la Selva Lacandona por los
                                                                                                                 madereros tabasqueños, –. Fondo de Cultura Económica,
                                                                                                                 Mexico City, Mexico.
                                                                                                             D O N I K A R , R., P AT I L , V., N A R K H E D E , S., R A N E , A., M O K AT , D. &
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                    cualitativos de investigación. Paidós, Barcelona, Spain.                                     vation biology, climate change and biogeography.

                                                                                                      Oryx, 2017, 51(2), 254–262 © 2016 Fauna & Flora International doi:10.1017/S0030605315001088
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https://doi.org/10.1017/S0030605315001088
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