Mycoplasma bovis

Mycoplasma bovis is a bacterial infection of cattle. It poses no food safety risk and very low risk to human health. However, it is important as it is production limiting, hard to treat as it causes unresponsive mastitis, and is hard to test for.

Latest Update from MPI


Mycoplasma bovis response MPI Stakeholder update 118 – 12 October 2018. IPs’ total is 38, made up of 6 in the North Island and 32 in the South. The total of properties under a Restricted Place Notice is 59. 36 properties have had their IP controls lifted.

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M. bovis and mating


M. bovis presents many questions about what to do this mating season. Specifically, around the risks associated with bringing bulls onto your property and joining them with your herd/heifers versus moving to a full AI system. This article provides more information on the considerations that need to be made.

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M.Bovis hits more beef than dairy

angus in cattleyards

More beef farms than dairy farms are now infected with the cattle disease Mycoplasma bovis, according to MPI figures.

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M. bovis - What to look out for

angus cattle herd

Mycoplasma bovis is an unwanted organism in NZ. It is important for all farmers to contact their veterinarian and/or MPI if they see the following unusual signs in their herd.

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RFID Numbers


Follow the link and scroll down this page to a list of RFID (radio frequency identification) ear-tag numbers from farms under Restricted Place Notices. Any farm that is under a Restricted Place notice is unable to move or trade any stock.

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M. bovis - FAQs


Mycoplasma bovis is a bacterium that lives in cattle. Until recently, we have not had M. bovis in NZ although other mycoplasma species are recorded in cattle and other farmed animals. Follow this link to FAQs.

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