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Breeding / Calving Issues
3 Premature dead calves
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<blockquote data-quote="Lucky_P" data-source="post: 1040676" data-attributes="member: 12607"><p>If you have another one, you need to submit to your veterinary diagnostic laboratory for a diagnostic workup. If at all possible, get placenta(afterbirth), and a maternal blood sample, too - oftentimes, when we're dealing with an abortion problem, the placenta is damaged, and there are no abnormalities in the fetus. In most cases, definitive cause of abortion is not determinable - but the diagnosticians are able to 'rule out' the more common causes that you and your veterinarian can do much about - IBR, BVD, Leptospirosis, Neospora, Coxiella, etc.</p><p></p><p></p><p>Had two cows from my own fall-calving herd abort calves about 2 weeks ago; caught the first one of 'em before the buzzards got to it, performed a necropsy and diagnostic tests - diagnosed it as a Neospora abortion. Second one was about half-eaten and pretty rotten, but I have little doubt that it also was a Neospora-induced abortion. No more abortions in the past two weeks, but those two young cows will be taking a ride to the salebarn the next time they rotate back past the barnlot.</p><p></p><p>Decent discussion of Neospora abortion, from my friend Dr. Arnold, here: <a href="http://afsdairy.ca.uky.edu/extension/reproduction/management/neosporacaninum" target="_blank">http://afsdairy.ca.uky.edu/extension/re ... oracaninum</a></p><p></p><p>Looking for Neospora & lesions it causes in bovine abortion/stillbirth workups has been standard practice at our lab for over 20 years, but until the past couple of years, I could count on one hand the number of suspected or confirmed cases we'd diagnosed. But, over the past two years or so, we've been finding it much more frequently - and I don't think that we were 'missing' the diagnosis in the past.</p><p></p><p>If the problem is Neospora related, culling cows that abort is essential - and prevent dogs/coyotes/wolves from having the chance to consume aborted fetuses, placenta, or dead cows. </p><p>There is a serologic test to determine if cows are infected or not - but it's fairly expensive @ $25/head. I have to do some more research on the vaccine, but what I've read so far isn't too encouraging.</p></blockquote><p></p>
[QUOTE="Lucky_P, post: 1040676, member: 12607"] If you have another one, you need to submit to your veterinary diagnostic laboratory for a diagnostic workup. If at all possible, get placenta(afterbirth), and a maternal blood sample, too - oftentimes, when we're dealing with an abortion problem, the placenta is damaged, and there are no abnormalities in the fetus. In most cases, definitive cause of abortion is not determinable - but the diagnosticians are able to 'rule out' the more common causes that you and your veterinarian can do much about - IBR, BVD, Leptospirosis, Neospora, Coxiella, etc. Had two cows from my own fall-calving herd abort calves about 2 weeks ago; caught the first one of 'em before the buzzards got to it, performed a necropsy and diagnostic tests - diagnosed it as a Neospora abortion. Second one was about half-eaten and pretty rotten, but I have little doubt that it also was a Neospora-induced abortion. No more abortions in the past two weeks, but those two young cows will be taking a ride to the salebarn the next time they rotate back past the barnlot. Decent discussion of Neospora abortion, from my friend Dr. Arnold, here: [url=http://afsdairy.ca.uky.edu/extension/reproduction/management/neosporacaninum]http://afsdairy.ca.uky.edu/extension/re ... oracaninum[/url] Looking for Neospora & lesions it causes in bovine abortion/stillbirth workups has been standard practice at our lab for over 20 years, but until the past couple of years, I could count on one hand the number of suspected or confirmed cases we'd diagnosed. But, over the past two years or so, we've been finding it much more frequently - and I don't think that we were 'missing' the diagnosis in the past. If the problem is Neospora related, culling cows that abort is essential - and prevent dogs/coyotes/wolves from having the chance to consume aborted fetuses, placenta, or dead cows. There is a serologic test to determine if cows are infected or not - but it's fairly expensive @ $25/head. I have to do some more research on the vaccine, but what I've read so far isn't too encouraging. [/QUOTE]
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