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How would you build a herd from scratch?
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<blockquote data-quote="AllForage" data-source="post: 1247724" data-attributes="member: 14878"><p>Walnut,</p><p></p><p>Inherently I dislike flushing unless terminal traits are your main focus. My sheep flock is highly linebred by sheep standards and I manage it differently. I breed traditional Shropshires and while we have the most maternal/long lived gene pool of the black faced breeds, I still emphasize terminal traits. Therefore I utilize ebvs, loin scan, and turn generations. I would NEVER do that with a cowherd. I am tired of posts that treat a complex living organism as some plug and play gadget that Betty Crocker made a recipe for. This AI sire will do this and then I add this and that. Genes do not combine the same always along with environmental interactions. It gets tiring. Breeding is an art that uses science. Not just numbers and stories from whoever. So building a maternal forage based cowherd it would be silly to consider flushing until she is in her teens imo.</p><p></p><p>Now selecting sires can get interesting. Assuming the related female equation, why fix what's not broke? Creating pretty pedigrees to attract straw chasing types loses prepotency. Also trying to combine two line bred herds can flop or take a lifetime. They don't always nick. I have experienced that. Bringing in some other bull to get something one is missing always results in the loss of something. Might take 5 years to see it but it happens.</p><p></p><p>So to answer your question, I would find a herd that has 90% of what you want and continue to breed up with the same herds Bulls. Going back to the "well" Allows you to pick Bulls that have the traits you want emphasize. Try a mild outcross here or there but be aware that heterosis is to credit for some of the gains you might see. Tighten it back and see if there is real improvement.</p><p></p><p>That's all I got for now</p></blockquote><p></p>
[QUOTE="AllForage, post: 1247724, member: 14878"] Walnut, Inherently I dislike flushing unless terminal traits are your main focus. My sheep flock is highly linebred by sheep standards and I manage it differently. I breed traditional Shropshires and while we have the most maternal/long lived gene pool of the black faced breeds, I still emphasize terminal traits. Therefore I utilize ebvs, loin scan, and turn generations. I would NEVER do that with a cowherd. I am tired of posts that treat a complex living organism as some plug and play gadget that Betty Crocker made a recipe for. This AI sire will do this and then I add this and that. Genes do not combine the same always along with environmental interactions. It gets tiring. Breeding is an art that uses science. Not just numbers and stories from whoever. So building a maternal forage based cowherd it would be silly to consider flushing until she is in her teens imo. Now selecting sires can get interesting. Assuming the related female equation, why fix what's not broke? Creating pretty pedigrees to attract straw chasing types loses prepotency. Also trying to combine two line bred herds can flop or take a lifetime. They don't always nick. I have experienced that. Bringing in some other bull to get something one is missing always results in the loss of something. Might take 5 years to see it but it happens. So to answer your question, I would find a herd that has 90% of what you want and continue to breed up with the same herds Bulls. Going back to the "well" Allows you to pick Bulls that have the traits you want emphasize. Try a mild outcross here or there but be aware that heterosis is to credit for some of the gains you might see. Tighten it back and see if there is real improvement. That's all I got for now [/QUOTE]
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