Acidification with citric acid to a pH below 5 for at least 8 hours will kill M. bovis but below a pH of 4 the milk will be unpalatable and the calves will refuse to drink it.These cows are more likely to shed M. bovis into their milk than healthy cows. Do not feed milk from cows under treatment for mastitis or other illnesses, this milk should be discarded.If you’re feeding whole milk from another farm, without purchasing calves from that farm, consider the following:.If you’re using milk replacer powder, order now to avoid problems with supply.Milk that has the lowest risk of containing M. bovis bacteria comes in these forms: calf milk replacer powder, acidified milk, or pasteurised milk.Feeding milk from your own herd to your own calves carries no extra risk. Feeding infected milk is the second highest risk of spreading M.
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