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Line Breeding
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<blockquote data-quote="ArmyDoc" data-source="post: 436530" data-attributes="member: 6832"><p>I've been mostly reading online sites so far, but I will be ordering his book. </p><p></p><p>My real question though, is how to avoid line breeding, as opposed to how to do it. When do you cross over the line between "normal" breeding practices and line breeding? </p><p></p><p>For example, a three bull rotation stabilizes with an in-breeding coefficient of 0.035 (3.5% related). Which is roughly 1/2 that of the inbreeding coefficient produced by breeding cousins (0.0625). Would this still be considered line breeding? I wouldn't think so, but it isn't the same as zero relatedness either. </p><p></p><p>Maybe there isn't a hard and fast rule, and I'm looking for a definition that doesn't exist. I don't know.</p></blockquote><p></p>
[QUOTE="ArmyDoc, post: 436530, member: 6832"] I've been mostly reading online sites so far, but I will be ordering his book. My real question though, is how to avoid line breeding, as opposed to how to do it. When do you cross over the line between "normal" breeding practices and line breeding? For example, a three bull rotation stabilizes with an in-breeding coefficient of 0.035 (3.5% related). Which is roughly 1/2 that of the inbreeding coefficient produced by breeding cousins (0.0625). Would this still be considered line breeding? I wouldn't think so, but it isn't the same as zero relatedness either. Maybe there isn't a hard and fast rule, and I'm looking for a definition that doesn't exist. I don't know. [/QUOTE]
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