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Cattle Boards
Breeding / Calving Issues
Calf vigor.
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<blockquote data-quote="Ebenezer" data-source="post: 1806915" data-attributes="member: 24565"><p>The bull will absolutely either help or hurt calf vigor. I just AIed most heifers this year to just such a bull. He has done a great job in the past. Size of calf does not play a part here. On the other end, there are bulls that will sire mortality at birth in no-problem calves in heifers but not in cows. That was documented decades ago. Those need to be bred to mature cows only. </p><p></p><p>Same for sheep. I note lamb vigor or not if I see it. It was easier years ago with less sheep but now it really makes raising hair sheep as a hands free until weaning operation possible. You either do the culling and selecting or you pay the price.</p></blockquote><p></p>
[QUOTE="Ebenezer, post: 1806915, member: 24565"] The bull will absolutely either help or hurt calf vigor. I just AIed most heifers this year to just such a bull. He has done a great job in the past. Size of calf does not play a part here. On the other end, there are bulls that will sire mortality at birth in no-problem calves in heifers but not in cows. That was documented decades ago. Those need to be bred to mature cows only. Same for sheep. I note lamb vigor or not if I see it. It was easier years ago with less sheep but now it really makes raising hair sheep as a hands free until weaning operation possible. You either do the culling and selecting or you pay the price. [/QUOTE]
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