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<blockquote data-quote="Lucky_P" data-source="post: 1671228" data-attributes="member: 12607"><p>RDFF, </p><p>The heritable nature of most VAGINAL prolapses in cattle and sheep has long been known. Culling offenders and their offspring is the way to eliminate it. </p><p>Uterine prolapses, on the other hand, are a different matter.</p><p></p><p>Nick's anecdotal 'correlations' aside, there's been no documented evidence that I've ever seen that uterine prolapses are anything other than a postpartum 'accident', with repeat performances no more likely than for any other cow in the national herd, and no suggestion of it being a heritable issue.</p><p></p><p>I probably replaced at least 100 uterine prolapses during my veterinary career; most survived and bred back. I never recommended culling uterine prolapse cows unless they failed to breed back or the calf was dead. </p><p>Cattle population during my early practice years in southern middle TN was heavily predominated by Beefmaster cattle... I saw way more vaginal prolapses in those old gals than I ever did uterine prolapses in all breeds combined - but they probably got the 'prolapse gene' from both the Hereford & Shorthorn in their makeup. Always recommended the producers cull them... but "it's a registered, high-dollar cow!"... so they often stayed... as did their daughters and sons. </p><p>I still remember... one of the very last calls I went on before I left practice was to replace a vaginal/cervical prolapse in a Beefmaster cow that was easily as big as a 5 gallon bucket hanging out the old gal's back end. </p><p></p><p>All that said, from a pure economic standpoint, culling any cow that doesn't deliver a live calf, or raise it to weaning... no excuses... is the way to go. If I had an orphan calf to graft onto one, and she'll take it... fine, she's redeemed herself... but I'm not gonna go buy one - to put on her... especially not a dairy calf... the risk of introducing diseases like rota/coronavirus, Salmonella, Johnes, etc. into the herd is just too great to keep an 'unlucky' cow around. </p><p></p><p>But... we often make excuses for them... I know I have done my share of it. But... I do admit that mine is now just a hobby.</p></blockquote><p></p>
[QUOTE="Lucky_P, post: 1671228, member: 12607"] RDFF, The heritable nature of most VAGINAL prolapses in cattle and sheep has long been known. Culling offenders and their offspring is the way to eliminate it. Uterine prolapses, on the other hand, are a different matter. Nick's anecdotal 'correlations' aside, there's been no documented evidence that I've ever seen that uterine prolapses are anything other than a postpartum 'accident', with repeat performances no more likely than for any other cow in the national herd, and no suggestion of it being a heritable issue. I probably replaced at least 100 uterine prolapses during my veterinary career; most survived and bred back. I never recommended culling uterine prolapse cows unless they failed to breed back or the calf was dead. Cattle population during my early practice years in southern middle TN was heavily predominated by Beefmaster cattle... I saw way more vaginal prolapses in those old gals than I ever did uterine prolapses in all breeds combined - but they probably got the 'prolapse gene' from both the Hereford & Shorthorn in their makeup. Always recommended the producers cull them... but "it's a registered, high-dollar cow!"... so they often stayed... as did their daughters and sons. I still remember... one of the very last calls I went on before I left practice was to replace a vaginal/cervical prolapse in a Beefmaster cow that was easily as big as a 5 gallon bucket hanging out the old gal's back end. All that said, from a pure economic standpoint, culling any cow that doesn't deliver a live calf, or raise it to weaning... no excuses... is the way to go. If I had an orphan calf to graft onto one, and she'll take it... fine, she's redeemed herself... but I'm not gonna go buy one - to put on her... especially not a dairy calf... the risk of introducing diseases like rota/coronavirus, Salmonella, Johnes, etc. into the herd is just too great to keep an 'unlucky' cow around. But... we often make excuses for them... I know I have done my share of it. But... I do admit that mine is now just a hobby. [/QUOTE]
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