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Heres a birth weight question
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<blockquote data-quote="WAguy" data-source="post: 500181" data-attributes="member: 4335"><p>Amateur here, so excuse my questions. Maybe this has already been said, but let me try it another way.</p><p></p><p>I don't get the original point, suggesting the bull gets a bum rap on BW EPDs if gestations are longer. But if the bull is possibly the genetic cause of that longer gestation, how is that a bum rap? Yes, the cows may be partly to blame, but that is so with all EPDs. Seems that's why you use lots of cows to see overall what the bull's effect is.</p><p></p><p>Obviously longer gestations increase BW. Other than the concern about BW, is there a reason to have a gestation EPD? Seems if the only purpose is the gestation effect on BW, the BW EPD would suffice.</p><p></p><p>I would think you'd also want to throw the bull's actuall BW into the mix. I've looked at the red angus, Above and Beyond, whose BW was 58. I would think it hard to get a 90 pound calf out of him?</p><p></p><p>I don't know what to make of it, but I have a Jersey/Lowline angus cow who's been bred to Hereford, Jersey, and Lowline bulls. All 3 calves have come at exactly 270 days, in the afternoon, just before I come home from work. In the months of July, June and May.</p></blockquote><p></p>
[QUOTE="WAguy, post: 500181, member: 4335"] Amateur here, so excuse my questions. Maybe this has already been said, but let me try it another way. I don’t get the original point, suggesting the bull gets a bum rap on BW EPDs if gestations are longer. But if the bull is possibly the genetic cause of that longer gestation, how is that a bum rap? Yes, the cows may be partly to blame, but that is so with all EPDs. Seems that’s why you use lots of cows to see overall what the bull’s effect is. Obviously longer gestations increase BW. Other than the concern about BW, is there a reason to have a gestation EPD? Seems if the only purpose is the gestation effect on BW, the BW EPD would suffice. I would think you’d also want to throw the bull’s actuall BW into the mix. I’ve looked at the red angus, Above and Beyond, whose BW was 58. I would think it hard to get a 90 pound calf out of him? I don’t know what to make of it, but I have a Jersey/Lowline angus cow who’s been bred to Hereford, Jersey, and Lowline bulls. All 3 calves have come at exactly 270 days, in the afternoon, just before I come home from work. In the months of July, June and May. [/QUOTE]
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