https://www.stltoday.com/lifestyles/health-med-fit/new-zeala…
Mycoplasma bovis and only a single farm in the country still had the bacterial disease. New Zealand would be the first country that has managed to wipe it out completely.
Found in cattle in the U.S. and Europe, Mycoplasma bovis is a bacteria that can cause cows to develop mastitis, pneumonia, arthritis and other painful conditions. The bacteria is not considered a threat to food safety, but the resulting diseases in cows can cause distress and result in lower milk and beef yields.