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Cattle Boards
Health & Nutrition
Vaccine ?
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<blockquote data-quote="milkmaid" data-source="post: 568489" data-attributes="member: 852"><p>Theoretically it would be possible... after all, a bottle of modified live vaccine always says not for use in calves nursing unvaccinated bred cows. It is possible for the virus to mutate and cause -- to some extent -- the problem it's supposed to prevent, either in the animal itself or in other animals it has contact with. It's not common, by any means, but it can happen. I had a calf I vaccinated this summer do that, and it was a real eye opener for me.</p><p></p><p>Got a calf you're wondering about?</p></blockquote><p></p>
[QUOTE="milkmaid, post: 568489, member: 852"] Theoretically it would be possible... after all, a bottle of modified live vaccine always says not for use in calves nursing unvaccinated bred cows. It is possible for the virus to mutate and cause -- to some extent -- the problem it's supposed to prevent, either in the animal itself or in other animals it has contact with. It's not common, by any means, but it can happen. I had a calf I vaccinated this summer do that, and it was a real eye opener for me. Got a calf you're wondering about? [/QUOTE]
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