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<blockquote data-quote="Frankie" data-source="post: 61560" data-attributes="member: 13"><p>I think this person is confused between "average" and "0" EPDs. 0 is always zero, set as a base by different breeds different years. Angus used the data from about 1977. Angus breed EPD averages change twice a year, each time a new sire summary is published. The average Angus WW EPD is around 36 lbs. We've added 36 lbs of weaning for only about 2.5 lbs of BW since EPDs were set at 0.</p><p></p><p>I don't understand what "magnitude of the increased weight" means? I think he's simply wrong if he's suggesting that a bull's contribution is more on sorry cows than good cows. Yes, the calves from good cows will likely weigh more. And the sorry cows might produce substantially better calves if bred to a bull with high EPDs, but the difference in bull X and bull Y should still be there, across the board. The bull is contributing half the genetics to the calf in either case.</p><p></p><p>Thanks for the link. Now that I've shot my mouth off, I'll go read it.</p></blockquote><p></p>
[QUOTE="Frankie, post: 61560, member: 13"] I think this person is confused between "average" and "0" EPDs. 0 is always zero, set as a base by different breeds different years. Angus used the data from about 1977. Angus breed EPD averages change twice a year, each time a new sire summary is published. The average Angus WW EPD is around 36 lbs. We've added 36 lbs of weaning for only about 2.5 lbs of BW since EPDs were set at 0. I don't understand what "magnitude of the increased weight" means? I think he's simply wrong if he's suggesting that a bull's contribution is more on sorry cows than good cows. Yes, the calves from good cows will likely weigh more. And the sorry cows might produce substantially better calves if bred to a bull with high EPDs, but the difference in bull X and bull Y should still be there, across the board. The bull is contributing half the genetics to the calf in either case. Thanks for the link. Now that I've shot my mouth off, I'll go read it. [/QUOTE]
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