Latest M. bovis property numbers
As of 27 September 2024, there are 0 Active Confirmed Properties in New Zealand.
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Latest property and eradication programme statistics
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A small number of cases could be found over the coming seasons.
Figure 1: Phases to eradicate M. bovis
The M. bovis Eradication Programme (as of 2023) is 5 years into an estimated 10-year plan to eradicate M. bovis.
Figure 1 shows the path towards eradication has 3 distinct phases of eradication:
- Delimiting – this is the first phase during which cases of infection are identified and removed.
- Provisional Absence – this phase can begin after all active cases are resolved. This is likely to take two and a half years of intensive surveillance where no new infected cases are found.
- Confidence of absence – this is where a formal case is made to the relevant international bodies presenting New Zealand’s evidence that M. bovis has been eradicated.
Figure 2: Epidemic curve for M. bovis in New Zealand
Figure 2 shows the M. bovis Eradication Programme has effectively controlled most of the infection that has occurred in New Zealand.
Evidence supports that we are nearing the end of the Delimiting phase where we will be working harder to find the remaining pockets of infection.
Due to the nature of the disease and its ability to remain clinically undetected, it is likely small numbers of additional cases could be found over the coming seasons.
Once these are dealt with, we will enter the Provisional Absence phase.
