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Breeding back to mom??
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<blockquote data-quote="ArmyDoc" data-source="post: 482746" data-attributes="member: 6832"><p>I think you've got it right. Linebreeding is generally used for purbreds, sellecting for specific traits, to produce cattle to be used as seed stock. Then if you the cross to an unrelated purebred, you will increased size / meat production due to hybred vigor. As I understand it this was the original concept for seed stock vs cow-calf producers. </p><p></p><p>What I don't know is if the F1 crossess will be as reliable in producing the marbleing and tenderness that the purebreds have been bred for.</p><p></p><p>Also, I don't know if this is true, but I've read that more recently the concept of outcrossing and getting increased hybred vigor has become common with even the seed stock producers. Apparently now the seed stock producers are often out-crossing with in their breed to get a little of the at hybrid vigor to improve their numbers. The problem with this is that these "pure" lines with their reproducible traits have become "mongrelized" and aren't as reproducible as they once were. The other problem is that effectively they are steeling some of the bounce from the cow-calf producers. There is still an increase from crossing to an unrelated breed, but not as much as there might have been. </p><p></p><p>But all of this is just hear-say for me - I can understand the theory, but I don't have the years of experience needed to tell how well theory translates into reality.</p><p></p><p>Oh, and an F1 animal is the result of a cross between two different breeds. So an angus x hereford would result in a calf called an F1 cross.</p></blockquote><p></p>
[QUOTE="ArmyDoc, post: 482746, member: 6832"] I think you've got it right. Linebreeding is generally used for purbreds, sellecting for specific traits, to produce cattle to be used as seed stock. Then if you the cross to an unrelated purebred, you will increased size / meat production due to hybred vigor. As I understand it this was the original concept for seed stock vs cow-calf producers. What I don't know is if the F1 crossess will be as reliable in producing the marbleing and tenderness that the purebreds have been bred for. Also, I don't know if this is true, but I've read that more recently the concept of outcrossing and getting increased hybred vigor has become common with even the seed stock producers. Apparently now the seed stock producers are often out-crossing with in their breed to get a little of the at hybrid vigor to improve their numbers. The problem with this is that these "pure" lines with their reproducible traits have become "mongrelized" and aren't as reproducible as they once were. The other problem is that effectively they are steeling some of the bounce from the cow-calf producers. There is still an increase from crossing to an unrelated breed, but not as much as there might have been. But all of this is just hear-say for me - I can understand the theory, but I don't have the years of experience needed to tell how well theory translates into reality. Oh, and an F1 animal is the result of a cross between two different breeds. So an angus x hereford would result in a calf called an F1 cross. [/QUOTE]
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