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This analysis examines the Expected Progeny Difference (EPD) for weaning weight between Bull A and Bull B. Bull A has an EPD of +20, indicating its offspring are expected to weigh 20 pounds more than the average. In contrast, Bull B has an EPD of +10, projecting its offspring to be 10 pounds heavier than average. Therefore, Bull A is the superior choice based on weaning weights, as its progeny will be significantly heavier than those from Bull B, by 10 pounds. This information is critical for breeding decisions focused on desirable weight traits.
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EPD= Weaning Weight (WW) Bull A = + 20 Bull B = + 10 Explanation= A bull with an average weaning weight would have an EPD of 0. Bull B will have predicted weaning weights 10 lbs higher than average, and bull A will have weaning weights 20 lbs higher than average. Bull A would be the better selection in relation to weaning weights. Bull A would have weaning weights 10 pounds heavier than bull B.