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Shallow gene pool
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<blockquote data-quote="dun" data-source="post: 23238" data-attributes="member: 34"><p>I don't understand the concept of virgin bulls being the "best". Even with EPDs and a BSE you still can't judge the libido or athleticism, but be that as it may.</p><p>When using unproven bulls, i.e. EPDs based strictly on his sibs and ancestors, I would look at both sides of the pedigree for several generations back.</p><p>A BW EPD of 0 could almost be derived from a bull with +10 and a cow with -10. With heifers, the EPDs frequently have either I or P for accuracy. That to my mind boils down to a SWAG. If you check multiple generations, checking each animal in the pedigree you'll get a better idea if there are any extremes. Those extremes a generation or two ago can jump up and bite you.</p><p></p><p>dun</p></blockquote><p></p>
[QUOTE="dun, post: 23238, member: 34"] I don't understand the concept of virgin bulls being the "best". Even with EPDs and a BSE you still can't judge the libido or athleticism, but be that as it may. When using unproven bulls, i.e. EPDs based strictly on his sibs and ancestors, I would look at both sides of the pedigree for several generations back. A BW EPD of 0 could almost be derived from a bull with +10 and a cow with -10. With heifers, the EPDs frequently have either I or P for accuracy. That to my mind boils down to a SWAG. If you check multiple generations, checking each animal in the pedigree you'll get a better idea if there are any extremes. Those extremes a generation or two ago can jump up and bite you. dun [/QUOTE]
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