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Cattle Boards
Artificial Insemination (AI) for Cattle
How much can a bull add?
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<blockquote data-quote="cow pollinater" data-source="post: 1466137" data-attributes="member: 14661"><p>Milk is not a highly heritable trait. I think I remember 15% heritability. The impact from one generation of corrective mating could be anywhere from unnoticed to way off in the extreme other end or anywhere in between. Milk is a perfect example of a trait where you want to pick an ideal and move to it with every mating. At 15% you can chase your tail in circles trying to get to the right spot as it would take a couple generations to show improvement either way and then it would likely be to much if you really got after "improving" them.</p><p>Scrotal is a little more heritable but not worth worrying about.</p></blockquote><p></p>
[QUOTE="cow pollinater, post: 1466137, member: 14661"] Milk is not a highly heritable trait. I think I remember 15% heritability. The impact from one generation of corrective mating could be anywhere from unnoticed to way off in the extreme other end or anywhere in between. Milk is a perfect example of a trait where you want to pick an ideal and move to it with every mating. At 15% you can chase your tail in circles trying to get to the right spot as it would take a couple generations to show improvement either way and then it would likely be to much if you really got after "improving" them. Scrotal is a little more heritable but not worth worrying about. [/QUOTE]
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How much can a bull add?
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