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Uniformity vs diversity
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<blockquote data-quote="elkwc" data-source="post: 1419347" data-attributes="member: 22295"><p>I have been giving some thought to this lately. And not just on the sire side. I've seen and read about several herds where one cow has 50 or more daughters. In one herd 3 cows and their daughters comprised around 65% of the herd and that doesn't count granddaugthers. I can see why a breeder does it but afraid in time unless they are very selective in sire selection and they use several bulls from different bloodlines they will eliminate many lines like the Hereford breed did during the frame race. In the Herefords there are not that many choices for those wanting to find a pure Hereford and if any lines are eliminated there will be fewer. In the Hereford breeder diversity is very limited. You can go to different herds and see a lot of the same bloodlines in many. On the horned side the majority are L1. It is worse on the polled side. It seems every herd of polled catte I look at the bloodlines are the same. Most breeders are using the same 5-6 sires. I'm concerned over time the gene pool is going to shrink considerably. There are still a few line breeders on both sides left but if any of them quit I'm not sure anyone will replace them.</p></blockquote><p></p>
[QUOTE="elkwc, post: 1419347, member: 22295"] I have been giving some thought to this lately. And not just on the sire side. I've seen and read about several herds where one cow has 50 or more daughters. In one herd 3 cows and their daughters comprised around 65% of the herd and that doesn't count granddaugthers. I can see why a breeder does it but afraid in time unless they are very selective in sire selection and they use several bulls from different bloodlines they will eliminate many lines like the Hereford breed did during the frame race. In the Herefords there are not that many choices for those wanting to find a pure Hereford and if any lines are eliminated there will be fewer. In the Hereford breeder diversity is very limited. You can go to different herds and see a lot of the same bloodlines in many. On the horned side the majority are L1. It is worse on the polled side. It seems every herd of polled catte I look at the bloodlines are the same. Most breeders are using the same 5-6 sires. I'm concerned over time the gene pool is going to shrink considerably. There are still a few line breeders on both sides left but if any of them quit I'm not sure anyone will replace them. [/QUOTE]
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