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Polled Hereford Semen
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<blockquote data-quote="HerefordSire" data-source="post: 380371" data-attributes="member: 4437"><p>Badlands, if we take two line bred bulls (be patient with me):</p><p></p><p>The first bull has a -5.0 EPD and very low WW.</p><p>The second bull has a 120 WW and very high BW.</p><p>We line breed these bull's progeny for 20 years focusing on the best one animal derived from each bull's line, specifically, low BW with the BW line and high WW with the WW line.</p><p></p><p>After 20 years, we combine the best animals of the two line bred lines.</p><p></p><p>What do you think will happen? In other words, is it possible to have one animal with a very very low birth weight and a very very high weaning weight even though they are highly correlated traits?</p></blockquote><p></p>
[QUOTE="HerefordSire, post: 380371, member: 4437"] Badlands, if we take two line bred bulls (be patient with me): The first bull has a -5.0 EPD and very low WW. The second bull has a 120 WW and very high BW. We line breed these bull's progeny for 20 years focusing on the best one animal derived from each bull's line, specifically, low BW with the BW line and high WW with the WW line. After 20 years, we combine the best animals of the two line bred lines. What do you think will happen? In other words, is it possible to have one animal with a very very low birth weight and a very very high weaning weight even though they are highly correlated traits? [/QUOTE]
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