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AI timing question.
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<blockquote data-quote="djinwa" data-source="post: 567425" data-attributes="member: 8265"><p>Noticed my only cow in heat today, jumping on her steer calf, and him jumping on her. This ended at around 4 PM today. In this situation, I've always called my AI guy, a dairyman, who comes at 5 AM the next day and gets her bred. Has worked 5 of 5 times. Anyway, I called him on his cell phone and he said he's out of town and will get back sometime between 10 AM and noon tomorrow. I asked him to call me when he gets back and I'll decide if I want to try, or wait til next heat. She calved May 24, so wouldn't be really late next time, but since I milk her, would like to be earlier.</p><p></p><p>Anyway, would noon breeding tomorrow be too late? Here's a chart I've used.</p><p><a href="http://www.iaea.org/programmes/nafa/d3/public/ai-cattle-web/timing_ai/page01.html" target="_blank">http://www.iaea.org/programmes/nafa/d3/ ... age01.html</a></p><p></p><p>So if her heat ended at 4 PM today, then she'd ovulate at 2 AM, egg good for 10 to 20 hours. Sounds like it'd work breeding at noon, but don't know how long it takes for sperm to meet egg, etc.</p><p></p><p>Wouldn't be bad to wait til next time, but always interested in learning more.</p></blockquote><p></p>
[QUOTE="djinwa, post: 567425, member: 8265"] Noticed my only cow in heat today, jumping on her steer calf, and him jumping on her. This ended at around 4 PM today. In this situation, I've always called my AI guy, a dairyman, who comes at 5 AM the next day and gets her bred. Has worked 5 of 5 times. Anyway, I called him on his cell phone and he said he's out of town and will get back sometime between 10 AM and noon tomorrow. I asked him to call me when he gets back and I'll decide if I want to try, or wait til next heat. She calved May 24, so wouldn't be really late next time, but since I milk her, would like to be earlier. Anyway, would noon breeding tomorrow be too late? Here's a chart I've used. [url=http://www.iaea.org/programmes/nafa/d3/public/ai-cattle-web/timing_ai/page01.html]http://www.iaea.org/programmes/nafa/d3/ ... age01.html[/url] So if her heat ended at 4 PM today, then she'd ovulate at 2 AM, egg good for 10 to 20 hours. Sounds like it'd work breeding at noon, but don't know how long it takes for sperm to meet egg, etc. Wouldn't be bad to wait til next time, but always interested in learning more. [/QUOTE]
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