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Cattle Boards
Breeding / Calving Issues
5 day CIDR Protocol
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<blockquote data-quote="bigag03" data-source="post: 622229" data-attributes="member: 9247"><p>There are quite a few things in that protocol that do not fit with bovine endocrinology. 1) Without keeping the CIDR in for 7 days, you are not giving all of the cows a chance to form a CL. 2) The 2 shots of PGF2a within 8 hrs is redundant and the second shot should have no affect. 3) If a particular cow was receptive to this protocol, I would still expect her to be in heat within 48 hrs of pulling the CIDR, which means that if you breed at 72 hrs, you missed her.</p></blockquote><p></p>
[QUOTE="bigag03, post: 622229, member: 9247"] There are quite a few things in that protocol that do not fit with bovine endocrinology. 1) Without keeping the CIDR in for 7 days, you are not giving all of the cows a chance to form a CL. 2) The 2 shots of PGF2a within 8 hrs is redundant and the second shot should have no affect. 3) If a particular cow was receptive to this protocol, I would still expect her to be in heat within 48 hrs of pulling the CIDR, which means that if you breed at 72 hrs, you missed her. [/QUOTE]
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5 day CIDR Protocol
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