ERADICATING BOVINE TB FROM WHANAWHANA TO OPOUAHI - OSPRI
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ERADICATING BOVINE TB
FROM WHANAWHANA
TO OPOUAHI
JULY 2018 | VERSION 2.0
TB MANAGEMENT
AREAS
TMA Boundary
The TBfree programme aims to
control and eventually eradicate
bovine tuberculosis (TB) from
New Zealand by 2055.
We use possum control, along with
regular herd testing and movement
restrictions, to achieve this objective.
Information gathered from wild
animal surveys, recent and historic
findings of TB in wild animals, herd
testing results and the operational
history of the region is used when
planning operations.
The TBfree programme is delivered
through TB management areas (TMAs).
These areas were created based on
the likely or possible presence of TB
in wildlife, similar habitat features,
known disease patterns, geography
and control history. Each TMA has a
specific TB control plan designed to
eradicate TB as effectively as possible. NZ Topographic Series Maps sourced from the LINZ Data Service and licensed by LINZ for re-use under the Creative Commons Attribution 3.0 New Zealand license.
A TMA is made up of one or more
Vector Control Zones (VCZs) within provided are provisional and subject Mainland Island Reserve, to the north
which possum control or wildlife survey to consultation. west of Napier and covers 106,971 ha.
operations may be carried out from It is mainly easy to medium hill
year to year, depending on wild animals WHANAWHANA country with the steep Wakarara
Range at its southern end. There
TO OPOUAHI
present, habitat, progress toward
TB eradication and available funding. are a number of cattle herds which
are predominantly beef breeding and
This notice provides an overview The Whanawhana to Opouahi TMA meat production with a small number
of TB control work planned for the is a long narrow area that runs from of dairy herds. There are also areas of
Whanawhana to Opouahi TMA. It is the Gwavas Forest and Gwavas forestry, especially in the Gwavas and
not a formal notice of any specific Conservation area, south west of Mohaka Buffer areas and in south
operation. All operation dates Hastings to the Boundary Stream near the Wakarara range.
TBfree is an OSPRI programme ospri.co.nz 0800 482 463
PIG
SURVEY
Before an area can be classed as
TB-free, surveys are used to assess
if TB is still present in wildlife. While
possums are the main source of
infection from wildlife it can be
difficult and costly to detect TB in
possum populations. Pigs are good
indicators of TB in possums because
they scavenge widely, so are likely
to get TB from eating TB-infected
possum carcasses. They can’t maintain
TB within their own population, so if
they are infected, it means it’s from
another species. Pig survey results
will help us to tell if TB is still in the
area and whether further possum
control work needs to be done.
WHANAWHANA TARGETING CONSULTATION
TO OPOUAHI POSSUMS OSPRI aims to ensure that
TB HISTORY To eradicate bovine TB from possum
communities, land occupiers and
land users are notified of planned
There has been a low level of infected populations, possum numbers need operations well in advance and have
herds in the past 20 years with recent to be kept extremely low – around the opportunity to submit feedback
infection being in the Whanawhana one to two animals every ten hectares. about any possible risks or sensitive
and Patoka areas. Infected wildlife areas that need to be managed.
Previous possum control and livestock
have been caught in this TMA.
disease management has dramatically OSPRI will always seek the willing
reduced the number of infected cooperation of land occupiers when
CONTROL HISTORY herds in the Hawke’s Bay region. TBfree programme work needs to
The Whanawhana to Opouahi area However monitoring has shown that be carried out on their land.
has a history of ground control further control work is needed in Before any operations begin,
including use of bait stations and the Whanawhana to Opouahi area affected landowners and occupiers
traps. Detection followed by control to reduce the possum population, will be contacted and visited by
and post mortem of possums have to minimise the risk of the disease one of our contractors. Depending
been undertaken in Kereru, Mangleton,
spreading through wild animal on the methods used and the location
Rissington North and Matahorua West
populations and into farmed cattle and of the operations, consents may be
in 2015/2016. The last aerial control
deer herdsand to ensure further good required from the Department of
operation was undertaken in the
Gwavas Forest area in 2013. In 2016 progress towards disease eradication. Conservation and Ministry of Health.
the area gained TB free status.
ERADICATION OPERATIONAL TIMEFRAME
GOALS Planned control and surveillance management activities
are outlined in the table below.
OSPRI’s main goals for TB control in
the Whanawhana to Opouahi area are: TYPE OF WHEN?* HOW MANY WHERE?
CONTROL HECTARES?
• Maintain TB freedom in livestock
Ground Control 2018/2019 48,600 Boundary Stream, Mohaka
• TB freedom in possums and the
Buffer, Opouahi, Whanawhana,
Whanawhana to Opouahi TMA
Rissington North, Patoka
by 2020.
Pig Survey 2018/2019 27,000 Mohaka Buffer, Patoka
These goals are ahead of the national
objectives of TB freedom in livestock Ground Control 2019/2020 14,000 Rissington North
by 2026, and TB freedom in possums Hectares under control are indicative only and may change after consultation.
by 2040. We aim to have eradicated * The operational year runs from 1 July – 30 June
TB from New Zealand by 2055.
TBfree is an OSPRI programme ospri.co.nz 0800 482 463
2018/19 OPERATIONS
TBfree is an OSPRI programme ospri.co.nz 0800 482 463
THE METHOD examination. In some areas, a Judas
Pig operation may be used: a wild
depends on the herd’s location,
management and TB history.
GROUND CONTROL pig, ear-tagged with a transmitter, To check the testing frequency
will lead hunters to other pigs. for your property visit
Our contractors will be using toxins
A selection of those pigs can be ospri.co.nz/dcamap
and traps to carry out this possum
shot and checked for the presence
control operation.
of TB. Another method, Sentinel Pig
Different toxins are used depending surveillance, involves releasing an WHAT NEXT?
on the size and terrain of the ear-tagged, disease-free pig into an Dates and control methods for the
operational area. Toxins will either area to scavenge local wildlife that
proposed operations are provisional
be placed in bait stations, stapled to may be carrying TB. The pig is later
and subject to consultation. OSPRI
trees in biodegradable bags or hand- recovered and examined to check
contractors will be in contact with
laid. Contractors will consult with for TB infection.
affected landowners and occupiers
landowners on which toxin will be
before any work commences.
used to ensure the safety of livestock,
pets and native animals.
POSSUM
There are many different types of
POPULATION
traps, such as leg hold or kill traps. ASSSESSMENT
In choosing the right one, we will Before control work is carried
take into consideration ease of access,
set-up and maintenance time, animal
out an assessment of the wildlife
population may be undertaken. CONTACT
welfare factors and the potential risks
to livestock, pets and native animals. Following control work, the possum DETAILS
population density may also be OSPRI Hamilton Office
On occasion our contractors may monitored to assess the operation’s PO Box 9466
also use corflute chew cards or wax success. From the results, we’ll be Waikato Mail Centre
tags to identify possum populations able to tell if further possum control Hamilton 3240
where control is required. work needs to be done in the area. P 07 849 8915
PIG SURVEY E vector.sni@ospri.co.nz
Our contractors will collect wild pigs TESTING HERDS ospri.co.nz
for disease surveillance, using one Cattle and deer herds are monitored Central Districts Pest Control
of three proven methods. Pigs may for TB through a combination of P 06 836 5590
be ground hunted, trapped or shot herd testing and carcass inspection E admin@cdpc.co.nz
from helicopters for post-mortem at slaughter. The frequency of testing
TBfree is an OSPRI programme ospri.co.nz 0800 482 463You can also read
