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Artificial Insemination (AI) for Cattle
A bit more like it
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<blockquote data-quote="VaCowman" data-source="post: 1614099" data-attributes="member: 33135"><p>I've tried everything except the 5d protocol in my heifers. I can't tell any difference, but my sample size is pretty small. I have been using the 14d protocol (33d actually) for the last couple of years MAINLY because it stretches out the trips through the chute and the girls are quick to forgive, unlike the cows that run through 3X in 7d protocol (10d actually). The cows get tricky after the second trip down the lane. I always hold my breath that they all come in to be bred on TAI. </p><p></p><p>With the heifers, we get them up on 0d and pelvic measure/repro tract score. Anything that passes gets GnRH and a CIDR. 14d I usually just pour out some feed in the trough in a corner of the lot or field (crowds them a bit) and just walk behind them and pull the CIDRS. I have learned you start with the nervous girls first and end with the puppy dogs. In the next 16d, they've forgot they didn't like coming into the lot and so on 30d, they work through the chute easily and I generally fill up the alley and give the Lute shots and then let them exit out the headgate that is wide open. I think that really helps them work easily and not be near as stressed at breeding. I can't tell any difference in conception with the 14d, but they are much easier to work and seem less stressed, so I'm less stressed.</p></blockquote><p></p>
[QUOTE="VaCowman, post: 1614099, member: 33135"] I've tried everything except the 5d protocol in my heifers. I can't tell any difference, but my sample size is pretty small. I have been using the 14d protocol (33d actually) for the last couple of years MAINLY because it stretches out the trips through the chute and the girls are quick to forgive, unlike the cows that run through 3X in 7d protocol (10d actually). The cows get tricky after the second trip down the lane. I always hold my breath that they all come in to be bred on TAI. With the heifers, we get them up on 0d and pelvic measure/repro tract score. Anything that passes gets GnRH and a CIDR. 14d I usually just pour out some feed in the trough in a corner of the lot or field (crowds them a bit) and just walk behind them and pull the CIDRS. I have learned you start with the nervous girls first and end with the puppy dogs. In the next 16d, they've forgot they didn't like coming into the lot and so on 30d, they work through the chute easily and I generally fill up the alley and give the Lute shots and then let them exit out the headgate that is wide open. I think that really helps them work easily and not be near as stressed at breeding. I can't tell any difference in conception with the 14d, but they are much easier to work and seem less stressed, so I'm less stressed. [/QUOTE]
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