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Cattle Boards
Breeding / Calving Issues
Multiple Bulls
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<blockquote data-quote="WalnutCrest" data-source="post: 1424389" data-attributes="member: 21715"><p>One can reasonably have a single bull breed 500 cows in a single 45 day window, as follows. </p><p></p><p>Day -30 ... collect the bull</p><p>Day -3 ... pull CIDRs</p><p>Day 0 ... AI 500 cows and reapply heat detection patches</p><p>Days 15-23 ... AI cows on natural heats, and once the cow gets the second AI, turn them in with the bull</p><p></p><p>350 cows take to the first AI</p><p>105 cows tale to the second AI</p><p>45 cows get a final shot with the bull</p><p></p><p>All failures missed on two AIs and a live cover and if they can't get bred with that, they need eating. </p><p></p><p>Pencil out the cost savings on bull facilities...</p></blockquote><p></p>
[QUOTE="WalnutCrest, post: 1424389, member: 21715"] One can reasonably have a single bull breed 500 cows in a single 45 day window, as follows. Day -30 ... collect the bull Day -3 ... pull CIDRs Day 0 ... AI 500 cows and reapply heat detection patches Days 15-23 ... AI cows on natural heats, and once the cow gets the second AI, turn them in with the bull 350 cows take to the first AI 105 cows tale to the second AI 45 cows get a final shot with the bull All failures missed on two AIs and a live cover and if they can't get bred with that, they need eating. Pencil out the cost savings on bull facilities... [/QUOTE]
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