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Cattle Boards
Breeding / Calving Issues
Timed AI and Short Cycle
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<blockquote data-quote="3waycross" data-source="post: 818802" data-attributes="member: 6713"><p>The gal who AI'd my cows last year did a timed AI on them. We waited 2 weeks for even one of them to cycle natural and coming off the fescue they just would not cycle. So, we timed them with Lute and GNRH and bred them on the money according to her. Then turned them out with the bull in a couple of days.</p><p></p><p>So here's where it gets weird. Any of them that was going to calve to the AI should have calved one week ago. Remembering that these are Gelbvieh cows and they usually calve early rather than late listen to this. One of those cows dropped a 68lb heifer calf tonight and near as I can tell it's out of my Angus bull and not the AI ,GV bull.</p><p></p><p>Anybody seen a cow cycle 7 or 8 days after a timed deal like this?</p></blockquote><p></p>
[QUOTE="3waycross, post: 818802, member: 6713"] The gal who AI'd my cows last year did a timed AI on them. We waited 2 weeks for even one of them to cycle natural and coming off the fescue they just would not cycle. So, we timed them with Lute and GNRH and bred them on the money according to her. Then turned them out with the bull in a couple of days. So here's where it gets weird. Any of them that was going to calve to the AI should have calved one week ago. Remembering that these are Gelbvieh cows and they usually calve early rather than late listen to this. One of those cows dropped a 68lb heifer calf tonight and near as I can tell it's out of my Angus bull and not the AI ,GV bull. Anybody seen a cow cycle 7 or 8 days after a timed deal like this? [/QUOTE]
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