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Cattle Boards
Breeding / Calving Issues
Are we too dependent on EPD's?
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<blockquote data-quote="Ranchin&#039; Randy" data-source="post: 1727151" data-attributes="member: 42411"><p>Agreed 100% here. The herd as a whole is an important aspect I feel get's lost at times to buyers. Another being the herd's environment and how it also impacts phenotype.</p><p></p><p></p><p></p><p>I guess I'm curious why you think these numbers are made up? Genuinely curious as I am not agreeing or disagreeing. However, I will add that a quick search shows that the formulas used for EPD's take into account not only performance numbers submitted by producers, but also any and all genomic details from their given pedigree.</p><p></p><p></p><p>Correct me if I am wrong, but you feel the numbers are arbitrary and are not based on genomic testing? Is that the long and short of it?</p><p></p><p></p><p>I don't find myself there, but I find it very easy for someone to be there if they don't reel themselves in. Seedstock producers and breeders across the world have created this idea that the EPD alone speaks to the quality of the animal. And I just don't agree.</p><p></p><p>As I stated above, I do look at every animals EPD's, but it's just a matter and question of how much weight we should put on it. I am a believer of P=G+E (Phenotype = Genomics + Environment) so do what I can to understand the genetics behind the animal, but nothing beats getting eyes on (that specific animal, it's dam/sire if possible, the herd it comes from, etc...)</p></blockquote><p></p>
[QUOTE="Ranchin' Randy, post: 1727151, member: 42411"] Agreed 100% here. The herd as a whole is an important aspect I feel get's lost at times to buyers. Another being the herd's environment and how it also impacts phenotype. I guess I'm curious why you think these numbers are made up? Genuinely curious as I am not agreeing or disagreeing. However, I will add that a quick search shows that the formulas used for EPD's take into account not only performance numbers submitted by producers, but also any and all genomic details from their given pedigree. Correct me if I am wrong, but you feel the numbers are arbitrary and are not based on genomic testing? Is that the long and short of it? I don't find myself there, but I find it very easy for someone to be there if they don't reel themselves in. Seedstock producers and breeders across the world have created this idea that the EPD alone speaks to the quality of the animal. And I just don't agree. As I stated above, I do look at every animals EPD's, but it's just a matter and question of how much weight we should put on it. I am a believer of P=G+E (Phenotype = Genomics + Environment) so do what I can to understand the genetics behind the animal, but nothing beats getting eyes on (that specific animal, it's dam/sire if possible, the herd it comes from, etc...) [/QUOTE]
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Are we too dependent on EPD's?
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