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Cattle Boards
Artificial Insemination (AI) for Cattle
Heat Detection for AI
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<blockquote data-quote="lithuanian farmer" data-source="post: 1549537" data-attributes="member: 19683"><p>It's been the first heat detection year for me personally. Mostly used morning-evening rule. Some stuck on the first try, some needed two times. Had a couple which needed three times. However, have two cows which were AI'd three times and it didn't worked. They both are 7years old, had AI calves as heifers, would get incalf in time when were with bull. They both settled once the bull was brought back with them on the first heat. It seems that either I can't tell when it's the best time to breed them or AI isn't for them. Once had a cow which would always stuck on her third heat no matter if it's a bull or AI. Her daughters usually settle on the first heat.</p><p>Have some which are very fertile and would get incalf on the first heat without problems every year. Don't hesitate for them if they go inheat ~40days after calving. Usually always AI if cow is inheat around 2months after calving.</p></blockquote><p></p>
[QUOTE="lithuanian farmer, post: 1549537, member: 19683"] It's been the first heat detection year for me personally. Mostly used morning-evening rule. Some stuck on the first try, some needed two times. Had a couple which needed three times. However, have two cows which were AI'd three times and it didn't worked. They both are 7years old, had AI calves as heifers, would get incalf in time when were with bull. They both settled once the bull was brought back with them on the first heat. It seems that either I can't tell when it's the best time to breed them or AI isn't for them. Once had a cow which would always stuck on her third heat no matter if it's a bull or AI. Her daughters usually settle on the first heat. Have some which are very fertile and would get incalf on the first heat without problems every year. Don't hesitate for them if they go inheat ~40days after calving. Usually always AI if cow is inheat around 2months after calving. [/QUOTE]
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