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Cattle Boards
Breeding / Calving Issues
Curley Calf Syndrome
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<blockquote data-quote="Foxx" data-source="post: 588840" data-attributes="member: 2676"><p>Pretty bad really. In the Char breed, the calves sometimes live for a while. In the Angus breed, two carriers mated together 1:4 average will be dead at or shortly after birth. 2:4 average will be carriers.</p><p></p><p>1680 represents bloodlines in at least 65 of the top 100 $60 $Beef value AI studs, and he is in many others. This means that the breed is full of carriers. Some estimate that 1/8 to 1/6 of the entire breed will be carriers.</p><p></p><p>Hopefully our association will get it cleaned up fairly quickly--in a matter of a few years. It is a recessive gene (from what they say), and they anticipate that the test will be out by Thanksgiving.</p><p></p><p>Genetic diseases are not a big deal once a test is here. It is only an issue of testing to find it or not. If you find it, with a test, you can test all offspring of carriers to decide if they are carriers and worth keeping. If you purchase an Angus, a simple test will tell you if you purchased a carrier or not. If you did, you likely can get your money back. Probably most sellers will sell only offspring that have tested parents once the test is available.</p><p></p><p>Eventually it is likely that the AAA will not register carriers. We're hoping that they let us breed through it and not take away the right to use carriers.</p><p></p><p>Although 1680 had some real issues that make some folks hate him, he did produce carcass merit. His blood is worth keeping in the breed, but the genetic defect is not so good. Unfortunately, four other breeds are affected too.</p></blockquote><p></p>
[QUOTE="Foxx, post: 588840, member: 2676"] Pretty bad really. In the Char breed, the calves sometimes live for a while. In the Angus breed, two carriers mated together 1:4 average will be dead at or shortly after birth. 2:4 average will be carriers. 1680 represents bloodlines in at least 65 of the top 100 $60 $Beef value AI studs, and he is in many others. This means that the breed is full of carriers. Some estimate that 1/8 to 1/6 of the entire breed will be carriers. Hopefully our association will get it cleaned up fairly quickly--in a matter of a few years. It is a recessive gene (from what they say), and they anticipate that the test will be out by Thanksgiving. Genetic diseases are not a big deal once a test is here. It is only an issue of testing to find it or not. If you find it, with a test, you can test all offspring of carriers to decide if they are carriers and worth keeping. If you purchase an Angus, a simple test will tell you if you purchased a carrier or not. If you did, you likely can get your money back. Probably most sellers will sell only offspring that have tested parents once the test is available. Eventually it is likely that the AAA will not register carriers. We're hoping that they let us breed through it and not take away the right to use carriers. Although 1680 had some real issues that make some folks hate him, he did produce carcass merit. His blood is worth keeping in the breed, but the genetic defect is not so good. Unfortunately, four other breeds are affected too. [/QUOTE]
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Curley Calf Syndrome
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