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<blockquote data-quote="dph" data-source="post: 108275" data-attributes="member: 2112"><p>Our sharp cowman told me if you do it on purpose it is "linebreeding," if it happens accidently it is "inbreeding." </p><p></p><p>I think there are beginning to be some things to watch out for on this. They are really starting to do a lot of work with DNA in cattle, selecting genes for marbling, tenderness, and in the future, who knows what. There is a fellow here in Iowa that linebreeds Angus cattle. He has some excellent cattle and his latest ad was touting what inbreeding has done to the concentration of the identified and desired genes for marbling and tenderness in his herd. The fact of the matter was, he didn't know at the time that the sires he was linebreeding to had those genes. It was just kind of dumb luck. It is not something that is going to have an imediate impact tomorrow, but if we concentrate on just a couple of sires and breed heavily to them and their offspring, we might find later that we have shut ourselves out of some of the future's desired genetics. And then how long and how many generations to breed it back in?</p></blockquote><p></p>
[QUOTE="dph, post: 108275, member: 2112"] Our sharp cowman told me if you do it on purpose it is "linebreeding," if it happens accidently it is "inbreeding." I think there are beginning to be some things to watch out for on this. They are really starting to do a lot of work with DNA in cattle, selecting genes for marbling, tenderness, and in the future, who knows what. There is a fellow here in Iowa that linebreeds Angus cattle. He has some excellent cattle and his latest ad was touting what inbreeding has done to the concentration of the identified and desired genes for marbling and tenderness in his herd. The fact of the matter was, he didn't know at the time that the sires he was linebreeding to had those genes. It was just kind of dumb luck. It is not something that is going to have an imediate impact tomorrow, but if we concentrate on just a couple of sires and breed heavily to them and their offspring, we might find later that we have shut ourselves out of some of the future's desired genetics. And then how long and how many generations to breed it back in? [/QUOTE]
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