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<blockquote data-quote="Frankie" data-source="post: 20394" data-attributes="member: 13"><p>The accuracy figure tells you how likely a particular animal's BW EPD is to change. By the time it gets to .99 accuracy, it's very solid. But it doesn't mean he will throw calves of any particular weight. A calf's BW is influenced by many things, the cow's genetics, management, time of year, as well as the bull. EPDs just tell us that if Bull #1 has a BW EPD of 5, you will expect the calves to weigh 5 more pounds at birth than if you bred the same cow, same management, to a bull with a BW EPD of 0. the 0 EPD is not breed average, at least in Angus. The American Angus Association took all the birth weights reported in 1976 or '77 (can't remember which, sorry), averaged them and set that as BW 0. They did the same with WW and YW. The average for EPDs changes every year, but 0 stayes as 0. Does that make sense to you?</p></blockquote><p></p>
[QUOTE="Frankie, post: 20394, member: 13"] The accuracy figure tells you how likely a particular animal's BW EPD is to change. By the time it gets to .99 accuracy, it's very solid. But it doesn't mean he will throw calves of any particular weight. A calf's BW is influenced by many things, the cow's genetics, management, time of year, as well as the bull. EPDs just tell us that if Bull #1 has a BW EPD of 5, you will expect the calves to weigh 5 more pounds at birth than if you bred the same cow, same management, to a bull with a BW EPD of 0. the 0 EPD is not breed average, at least in Angus. The American Angus Association took all the birth weights reported in 1976 or '77 (can't remember which, sorry), averaged them and set that as BW 0. They did the same with WW and YW. The average for EPDs changes every year, but 0 stayes as 0. Does that make sense to you? [/QUOTE]
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