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Cattle Boards
Artificial Insemination (AI) for Cattle
21 day?
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<blockquote data-quote="WalnutCrest" data-source="post: 1426081" data-attributes="member: 21715"><p>With the benefit of having slept a few times since my post above, tighter cycling must be tied to greater productive life. </p><p></p><p>In a 100 day window, a cow cycling every 17 days will repeat almost six times ... a cow going every 24 days will barely make it four. </p><p></p><p>In a 50 day window, it's nearly three cycles compared to barely two. </p><p></p><p>Three more attempts the bull has, the higher probability of a conception, the higher the probability of calving, the higher the probability of sticking around. </p><p></p><p>... related to this is gestational cycle. The cow cooking her calves 275 days will rebreed more easily than the one who cooks them 290.</p></blockquote><p></p>
[QUOTE="WalnutCrest, post: 1426081, member: 21715"] With the benefit of having slept a few times since my post above, tighter cycling must be tied to greater productive life. In a 100 day window, a cow cycling every 17 days will repeat almost six times ... a cow going every 24 days will barely make it four. In a 50 day window, it's nearly three cycles compared to barely two. Three more attempts the bull has, the higher probability of a conception, the higher the probability of calving, the higher the probability of sticking around. ... related to this is gestational cycle. The cow cooking her calves 275 days will rebreed more easily than the one who cooks them 290. [/QUOTE]
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Artificial Insemination (AI) for Cattle
21 day?
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