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Why Linebreed?
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<blockquote data-quote="novatech" data-source="post: 688727" data-attributes="member: 5494"><p>The more difference you have genetically the more heterosis. This is not only true for growth but also affects fertility, milk, meat, and attitude. Along with the above mentioned fact that line breeding can expose bad traits, there will be very little heterosis as most of the genes are the same. Therefor there can be no improvement between the pair mated. The most one can hope for is what you have got. The benefit is the culling process, getting rid of those animal that express the bad traits. This leaves the cattle with the good traits that are doubled up genetically. Therefore stronger genetics that can be past on.</p><p>With mating between bos indicus and bos taurus you get maximum heterosis. But there are draw backs. One being frame jump. It is very easy to start with a 1200 lb cow and an 1800 lb. bull and end up with 1400-1600 lb. cows as your next generation. Over milk production, and bad temperament can also result with heterosis.</p><p>Line breeding should only be left to those people that really know what they are doing and have the discipline to cull properly. No barn blindness allowed.</p></blockquote><p></p>
[QUOTE="novatech, post: 688727, member: 5494"] The more difference you have genetically the more heterosis. This is not only true for growth but also affects fertility, milk, meat, and attitude. Along with the above mentioned fact that line breeding can expose bad traits, there will be very little heterosis as most of the genes are the same. Therefor there can be no improvement between the pair mated. The most one can hope for is what you have got. The benefit is the culling process, getting rid of those animal that express the bad traits. This leaves the cattle with the good traits that are doubled up genetically. Therefore stronger genetics that can be past on. With mating between bos indicus and bos taurus you get maximum heterosis. But there are draw backs. One being frame jump. It is very easy to start with a 1200 lb cow and an 1800 lb. bull and end up with 1400-1600 lb. cows as your next generation. Over milk production, and bad temperament can also result with heterosis. Line breeding should only be left to those people that really know what they are doing and have the discipline to cull properly. No barn blindness allowed. [/QUOTE]
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