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Two angus bulls
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<blockquote data-quote="FungusProudKY31" data-source="post: 1688331" data-attributes="member: 40881"><p><strong>Maternal Weaned Calf Value ($M) </strong>, an index, expressed in dollars per head, predicts profitability differences from conception to weaning with the underlying breeding objective assuming that individuals retain their own replacement females within herd and sell the rest of the cull female and all male progeny as feeder calves. The model assumes commercial producers will replace 25% of their breeding females in the first generation and 20% of their breeding females in each subsequent generation. Traits included are as follows: calving ease direct, calving ease maternal, weaning weight, milk, heifer pregnancy, docility, mature cow weight, claw set and foot angle.</p><p></p><p>The above from the AAA site. My understanding on $M is that if you use it as a target for multiple generations you will get small milky cows but will lose performance in the calves. I am trying a high $M bull as a one time change to see if I can moderate BWs down a bit. It is not a big deal to me but the bull market seems swayed by breeders with less BW than we typically can use here without issue. There's breeding and there's marketing.</p></blockquote><p></p>
[QUOTE="FungusProudKY31, post: 1688331, member: 40881"] [B]Maternal Weaned Calf Value ($M) [/B], an index, expressed in dollars per head, predicts profitability differences from conception to weaning with the underlying breeding objective assuming that individuals retain their own replacement females within herd and sell the rest of the cull female and all male progeny as feeder calves. The model assumes commercial producers will replace 25% of their breeding females in the first generation and 20% of their breeding females in each subsequent generation. Traits included are as follows: calving ease direct, calving ease maternal, weaning weight, milk, heifer pregnancy, docility, mature cow weight, claw set and foot angle. The above from the AAA site. My understanding on $M is that if you use it as a target for multiple generations you will get small milky cows but will lose performance in the calves. I am trying a high $M bull as a one time change to see if I can moderate BWs down a bit. It is not a big deal to me but the bull market seems swayed by breeders with less BW than we typically can use here without issue. There's breeding and there's marketing. [/QUOTE]
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