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Artificial Insemination (AI) for Cattle
AI 60 days after calving
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<blockquote data-quote="Lbass" data-source="post: 1581414" data-attributes="member: 38465"><p>I keep reading reference that you shouldn't inseminate a cow until 60 days after calving. By my math with 283 day gestation, 60 day referenced recovery, that means you are only AI breeding the cows that have calved on the first 20 days or 1st cycle.</p><p></p><p>So if you only have 60-80% settle AI, you're going to have a lot of cows falling out of the program, or are you relying on non-responders to be bred by the clean up bull early enough to be AI the following year? 1st week of the next cycle really that critical? would 54 days after calving be as reliable? What are the ramifications, wasted semen, or damaged repro tract from the drugs?</p><p></p><p>I've been thinking about AI off and on for a while, I think I finally have the cow herd to make it worth my time. Besides that, with the bull issues I've had this year, It would be nice to not rely on so many bulls, as my best bull got injured over the winter, healed up, then blew his leg out after 5 days with the cows. I guess I've never heard of an AI tank going lame.</p></blockquote><p></p>
[QUOTE="Lbass, post: 1581414, member: 38465"] I keep reading reference that you shouldn't inseminate a cow until 60 days after calving. By my math with 283 day gestation, 60 day referenced recovery, that means you are only AI breeding the cows that have calved on the first 20 days or 1st cycle. So if you only have 60-80% settle AI, you're going to have a lot of cows falling out of the program, or are you relying on non-responders to be bred by the clean up bull early enough to be AI the following year? 1st week of the next cycle really that critical? would 54 days after calving be as reliable? What are the ramifications, wasted semen, or damaged repro tract from the drugs? I've been thinking about AI off and on for a while, I think I finally have the cow herd to make it worth my time. Besides that, with the bull issues I've had this year, It would be nice to not rely on so many bulls, as my best bull got injured over the winter, healed up, then blew his leg out after 5 days with the cows. I guess I've never heard of an AI tank going lame. [/QUOTE]
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