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Real World Data VS EPDS
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<blockquote data-quote="alexfarms" data-source="post: 693873" data-attributes="member: 8677"><p>Common sense would suggest to me that there are a few environmental affects which are playing in 0232's favor which may have helped give his calves an advantage in IMF. The calves are older, the calves carry more backfat and the calves are out of first calf heifers(a possible advantage). Being out of first calf heifers may have given the calves less overall growth potential as compared to calves out of mature herd mates. With less overall growth potential, frame score may have been reduced which could have increased feed efficiency(once on feed) which means they could have started laying on more fat more quickly and been farther along at a set endpoint. </p><p>How often does ultrasound miss the mark with respect to IMF? I think it has been very usefull for feedyards to use ultrasound to determine an optimum marketing point. Any use beyond that looks to me to be pretty fuzzy, there are just so many environmental factors that go into carcass traits that it questionable whether they are being properly measured or adjusted. I wouldn't let ultrasound carcass epds be a deciding factor in a selection decision. JMHO</p></blockquote><p></p>
[QUOTE="alexfarms, post: 693873, member: 8677"] Common sense would suggest to me that there are a few environmental affects which are playing in 0232's favor which may have helped give his calves an advantage in IMF. The calves are older, the calves carry more backfat and the calves are out of first calf heifers(a possible advantage). Being out of first calf heifers may have given the calves less overall growth potential as compared to calves out of mature herd mates. With less overall growth potential, frame score may have been reduced which could have increased feed efficiency(once on feed) which means they could have started laying on more fat more quickly and been farther along at a set endpoint. How often does ultrasound miss the mark with respect to IMF? I think it has been very usefull for feedyards to use ultrasound to determine an optimum marketing point. Any use beyond that looks to me to be pretty fuzzy, there are just so many environmental factors that go into carcass traits that it questionable whether they are being properly measured or adjusted. I wouldn't let ultrasound carcass epds be a deciding factor in a selection decision. JMHO [/QUOTE]
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