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Cattle Boards
Breeding / Calving Issues
when to AI
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<blockquote data-quote="KNERSIE" data-source="post: 638415" data-attributes="member: 4353"><p>If the semen is affordable you can always AI that evening and depending on how easy she is to do, how much tone their is to the uterus and on the colour and clearness of the bullstring AI her again in the morning.</p><p></p><p>Obviously the ideal is to to try and get as close to 12 hours after the onset of standing heat, but for my setup it isn't always possible. Anytime between 8 and 18 hours after the onset of standing heat the conception rate is very similar.</p><p></p><p>The oldtimers had a saying of AI early for heifers and late for conception. That has proved to be very true from my experience, its unlikely that the next morning will be too late if your heat observation was up to standard.</p></blockquote><p></p>
[QUOTE="KNERSIE, post: 638415, member: 4353"] If the semen is affordable you can always AI that evening and depending on how easy she is to do, how much tone their is to the uterus and on the colour and clearness of the bullstring AI her again in the morning. Obviously the ideal is to to try and get as close to 12 hours after the onset of standing heat, but for my setup it isn't always possible. Anytime between 8 and 18 hours after the onset of standing heat the conception rate is very similar. The oldtimers had a saying of AI early for heifers and late for conception. That has proved to be very true from my experience, its unlikely that the next morning will be too late if your heat observation was up to standard. [/QUOTE]
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