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Health & Nutrition
IBR Abortion Storm in Naive Herd
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<blockquote data-quote="CowLover" data-source="post: 993312" data-attributes="member: 20177"><p>We have had an abortion storm (30% loss so far) in our closed herd. We have never vaccinated for IBR and are not aware of it in our immediate area. We were advised by our vet to vaccinate our heifer calves with MLV vaccine when we weaned to begin a vaccination program. She was aware that the calves would have a common fence and waterer to the naive cows but did not mention that this would be a concern. We now have sent aborted fetus and placenta for autopsy and it has come back positive for IBR. Is it possible that we infected our own herd of cows by vaccinating the calves. Cannot figure out how we got it if this was not the case. Any ideas or opinions on this one? Thank you for your time</p></blockquote><p></p>
[QUOTE="CowLover, post: 993312, member: 20177"] We have had an abortion storm (30% loss so far) in our closed herd. We have never vaccinated for IBR and are not aware of it in our immediate area. We were advised by our vet to vaccinate our heifer calves with MLV vaccine when we weaned to begin a vaccination program. She was aware that the calves would have a common fence and waterer to the naive cows but did not mention that this would be a concern. We now have sent aborted fetus and placenta for autopsy and it has come back positive for IBR. Is it possible that we infected our own herd of cows by vaccinating the calves. Cannot figure out how we got it if this was not the case. Any ideas or opinions on this one? Thank you for your time [/QUOTE]
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