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my first heifers
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<blockquote data-quote="boondocks" data-source="post: 1294567" data-attributes="member: 20599"><p>DD is "developmental duplication"--a genetic mutation you should try not to breed to if you can help it. Here's a fact sheet (this one is from the American Angus Assn but it's not specific to Angus):</p><p><a href="http://www.angus.org/pub/DD/DDFactSheet.pdf" target="_blank">http://www.angus.org/pub/DD/DDFactSheet.pdf</a></p><p></p><p>Have you studied Punnett squares and some simple genetics yet in school? DD isn't really complicated, or a big cause for concern, just something most folks are trying to breed away from when they can (to my understanding). For example, we have a cow that is a DD carrier, meaning she doesn't exhibit the disorder herself but, if bred to a DD carrier bull, may give birth to offspring which shows the disorder (multiple extra limbs: pic here: <a href="https://search.yahoo.com/yhs/search?p=developmental+duplication+cattle+pic&ei=UTF-8&hspart=mozilla&hsimp=yhs-002" target="_blank">https://search.yahoo.com/yhs/search?p=d ... mp=yhs-002</a>).</p><p></p><p>Good luck with your heifers! Do they have minerals/salt?</p></blockquote><p></p>
[QUOTE="boondocks, post: 1294567, member: 20599"] DD is "developmental duplication"--a genetic mutation you should try not to breed to if you can help it. Here's a fact sheet (this one is from the American Angus Assn but it's not specific to Angus): [url=http://www.angus.org/pub/DD/DDFactSheet.pdf]http://www.angus.org/pub/DD/DDFactSheet.pdf[/url] Have you studied Punnett squares and some simple genetics yet in school? DD isn't really complicated, or a big cause for concern, just something most folks are trying to breed away from when they can (to my understanding). For example, we have a cow that is a DD carrier, meaning she doesn't exhibit the disorder herself but, if bred to a DD carrier bull, may give birth to offspring which shows the disorder (multiple extra limbs: pic here: [url=https://search.yahoo.com/yhs/search?p=developmental+duplication+cattle+pic&ei=UTF-8&hspart=mozilla&hsimp=yhs-002]https://search.yahoo.com/yhs/search?p=d ... mp=yhs-002[/url]). Good luck with your heifers! Do they have minerals/salt? [/QUOTE]
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