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Cattle Boards
Artificial Insemination (AI) for Cattle
72 hours and no heat at all
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<blockquote data-quote="NEFarmwife" data-source="post: 1564832" data-attributes="member: 26897"><p>It would be quite unusual to have all of them in silent heat. And I'd rule out pregnancy if bull hasn't been with them for 4 months. I'd also question why he didn't get them stuck? </p><p></p><p>Our CIDR protocol on heifers is different from yours. I do believe the 7 day does have a larger window though. I wouldn't be surprised to see them come in later. </p><p></p><p>But I'd also really question their breedability. From what I'm understanding, they'd have been culled already around here.</p></blockquote><p></p>
[QUOTE="NEFarmwife, post: 1564832, member: 26897"] It would be quite unusual to have all of them in silent heat. And I’d rule out pregnancy if bull hasn’t been with them for 4 months. I’d also question why he didn’t get them stuck? Our CIDR protocol on heifers is different from yours. I do believe the 7 day does have a larger window though. I wouldn’t be surprised to see them come in later. But I’d also really question their breedability. From what I’m understanding, they’d have been culled already around here. [/QUOTE]
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Artificial Insemination (AI) for Cattle
72 hours and no heat at all
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