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Cattle Boards
Breeding / Calving Issues
Wrong but consistant
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<blockquote data-quote="farmerjan" data-source="post: 1847519" data-attributes="member: 25884"><p>[USER=43513]@clovlanfarms[/USER] ; The vets here do hundreds of dairy animals on many farms. They can tell the sex on embryos and many of the registered herds of dairy cows I test do sex the calves in utero... they can accurately sex them up through about 90+/- days... then it is harder to tell the sex... most do the preg checking and sexing at 50-80 days....</p><p>I think that our vets have very good ultra sounds and are very proficient at doing it. My preferred vet can pick up a pregnancy at 25 days sometimes, but we prefer to wait for 30 to be real confident of it...and they cannot pick up the sex that early... has to be over 45 days to be pretty accurate but most want to recheck at the 55-75 day range to be more confident of the sex.... there are several 150-400 cow dairies around here, that I test for... and some much larger ones including one I test that has over 600 on test.... and he does quite a few of them, there are also a couple local vets that specialize in ET work, so I think that they have the right kind of ultrasounds, not "cheep ones" ....</p></blockquote><p></p>
[QUOTE="farmerjan, post: 1847519, member: 25884"] [USER=43513]@clovlanfarms[/USER] ; The vets here do hundreds of dairy animals on many farms. They can tell the sex on embryos and many of the registered herds of dairy cows I test do sex the calves in utero... they can accurately sex them up through about 90+/- days... then it is harder to tell the sex... most do the preg checking and sexing at 50-80 days.... I think that our vets have very good ultra sounds and are very proficient at doing it. My preferred vet can pick up a pregnancy at 25 days sometimes, but we prefer to wait for 30 to be real confident of it...and they cannot pick up the sex that early... has to be over 45 days to be pretty accurate but most want to recheck at the 55-75 day range to be more confident of the sex.... there are several 150-400 cow dairies around here, that I test for... and some much larger ones including one I test that has over 600 on test.... and he does quite a few of them, there are also a couple local vets that specialize in ET work, so I think that they have the right kind of ultrasounds, not "cheep ones" .... [/QUOTE]
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Breeding / Calving Issues
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