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Cattle Boards
Breeding / Calving Issues
Heifer aborted....now what?
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<blockquote data-quote="Lucky_P" data-source="post: 885634" data-attributes="member: 12607"><p>raykour,</p><p>Yes, this may be an isolated incident - and most of the abortion/stillbirth cases I work with in the diagnostic laboratory here are; but, if 2-3 weeks from now, 2, 3, 4, or 20 cows abort their calves, you might find yourself wishing you'd submitted that first one for a diagnostic workup, so that you could have gotten ahead of the trainwreck that you didn't know was coming down the tracks. </p><p></p><p>That said, most abortion/stillbirth diagnostic workups are low-yield - and I frequently see/hear "We sent that fetus to the diagnostic lab, and they didn't find anything." Well, no, the diagnosticians may not have definitively the cause of abortion - but they will have effectively RULED OUT the major causes - like excessive nitrates, IBR, BVD, Lepto, Campylobacter(Vibrio), Coxiella(Q fever), Salmonella, Neospora, etc. - particularly the things that you might be able to do something about.</p><p>At my laboratory, we only come up with a definitive diagnosis on *maybe* 25% of abortion/stillbirth cases - but we rule out the common infectious/toxic causes on every one of the rest of them. </p><p>Given the choice between placenta(afterbirth) and fetus - give me placenta(both, if possible). In cases where I receive fetus and placenta, in probably 50% of cases, there is a diagnostic lesion in the placenta and NOTHING in the fetal tissues. Definitive diagnosis rate almost doubles, if placenta is available for testing. And yes, I know, sometimes the cow has eaten it, the dogs/coyotes/buzzards have eaten it, or it's still in the cow as she disappears over the top of the hill - but if you can obtain placenta for submission along with the fetus, the diagnostic picture gets much, much better.</p></blockquote><p></p>
[QUOTE="Lucky_P, post: 885634, member: 12607"] raykour, Yes, this may be an isolated incident - and most of the abortion/stillbirth cases I work with in the diagnostic laboratory here are; but, if 2-3 weeks from now, 2, 3, 4, or 20 cows abort their calves, you might find yourself wishing you'd submitted that first one for a diagnostic workup, so that you could have gotten ahead of the trainwreck that you didn't know was coming down the tracks. That said, most abortion/stillbirth diagnostic workups are low-yield - and I frequently see/hear "We sent that fetus to the diagnostic lab, and they didn't find anything." Well, no, the diagnosticians may not have definitively the cause of abortion - but they will have effectively RULED OUT the major causes - like excessive nitrates, IBR, BVD, Lepto, Campylobacter(Vibrio), Coxiella(Q fever), Salmonella, Neospora, etc. - particularly the things that you might be able to do something about. At my laboratory, we only come up with a definitive diagnosis on *maybe* 25% of abortion/stillbirth cases - but we rule out the common infectious/toxic causes on every one of the rest of them. Given the choice between placenta(afterbirth) and fetus - give me placenta(both, if possible). In cases where I receive fetus and placenta, in probably 50% of cases, there is a diagnostic lesion in the placenta and NOTHING in the fetal tissues. Definitive diagnosis rate almost doubles, if placenta is available for testing. And yes, I know, sometimes the cow has eaten it, the dogs/coyotes/buzzards have eaten it, or it's still in the cow as she disappears over the top of the hill - but if you can obtain placenta for submission along with the fetus, the diagnostic picture gets much, much better. [/QUOTE]
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Heifer aborted....now what?
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