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What to look for in a bull?
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<blockquote data-quote="Jeanne - Simme Valley" data-source="post: 145009" data-attributes="member: 968"><p>NO - EPD's are based on MANY animal data - not just that one individual animal. As that bull starts producing offspring, the offspring data starts changing his EPD's to be more accurate - but EPD's are based on ALL ancestors & progeny.</p><p></p><p>If you were looking at a bull that had a decent EPD for birth weight, but he himself had a heavier actual birth weight and was born in the North - you might consider the fact that environment had a lot to do with the additional weight.</p><p></p><p>John Pollak, Cornell U (in charge of all Simmental EPD data) says we castrate too many good bulls based on birth weight of the calf, that we should wait and see what his EPD's say and decide if he is bull quality by CE epd's.</p><p>I told him, that was all well & good, but I'm not about to "convince" someone to buy my 110# BW bull because his EPD's say he is going to be easy calving - than as soon as the buyer has one hard calving calf - I'm to blame!! Not worth my reputation.</p></blockquote><p></p>
[QUOTE="Jeanne - Simme Valley, post: 145009, member: 968"] NO - EPD's are based on MANY animal data - not just that one individual animal. As that bull starts producing offspring, the offspring data starts changing his EPD's to be more accurate - but EPD's are based on ALL ancestors & progeny. If you were looking at a bull that had a decent EPD for birth weight, but he himself had a heavier actual birth weight and was born in the North - you might consider the fact that environment had a lot to do with the additional weight. John Pollak, Cornell U (in charge of all Simmental EPD data) says we castrate too many good bulls based on birth weight of the calf, that we should wait and see what his EPD's say and decide if he is bull quality by CE epd's. I told him, that was all well & good, but I'm not about to "convince" someone to buy my 110# BW bull because his EPD's say he is going to be easy calving - than as soon as the buyer has one hard calving calf - I'm to blame!! Not worth my reputation. [/QUOTE]
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