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Improving odds on AI?
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<blockquote data-quote="Anonymous" data-source="post: 15205"><p>Good AI technicians will run well over 85% first service conceptions, many approach 100%. If you have a good technician the real keys to succesfull AI is heat detection and having calm cattle. A nervous semi-goofy cow/heifer rarely takes. Heifers are frequently harder to settle because their heat cycles may not be consistant, i.e., the may not ovulate when common practice tells us she should. If the temperatures were in the 90's when she was bred or for a week or so after, that can also affect it. About the only way I can think of to up the odds would be to breed her when she is observed in heat then 12 hours later, if she still shows signs of being in standing heat 4 to 6 hours after that, breed her again. We have used AI 100% since 1968, only once have we had to cull a heifer because she wouldn't settle by the second service. We give them two chances, if they don't settle from the second breeding, down the road they go. That applies to cows or heifers. I have bred cows for some herds that the cows/heifers never settle to AI. Whether that is a heat detection problem or the animals disposition I've never figured out.</p><p></p><p>dunmovin farms</p><p></p><p>> After a few years of raising</p><p>> feeders we are trying to start a</p><p>> cow calf heard. we have 3 angus of</p><p>> breeding age. A 2yr old and 2</p><p>> heffers [16 mo old]. The 2 yr old</p><p>> was AI'd on Sept 27th to a bull</p><p>> named Time Saver. the heffers to</p><p>> Hall of Fame,[the only ones the</p><p>> technician had]. I saw the 2 yr</p><p>> old in heat tonight, 19 days after</p><p>> she was "bred". My</p><p>> question is: Is there any way to</p><p>> increase the odds of getting her</p><p>> bred using AI? We really don't</p><p>> want a bull just yet, for a number</p><p>> of reasons. Thanks in advance</p></blockquote><p></p>
[QUOTE="Anonymous, post: 15205"] Good AI technicians will run well over 85% first service conceptions, many approach 100%. If you have a good technician the real keys to succesfull AI is heat detection and having calm cattle. A nervous semi-goofy cow/heifer rarely takes. Heifers are frequently harder to settle because their heat cycles may not be consistant, i.e., the may not ovulate when common practice tells us she should. If the temperatures were in the 90's when she was bred or for a week or so after, that can also affect it. About the only way I can think of to up the odds would be to breed her when she is observed in heat then 12 hours later, if she still shows signs of being in standing heat 4 to 6 hours after that, breed her again. We have used AI 100% since 1968, only once have we had to cull a heifer because she wouldn't settle by the second service. We give them two chances, if they don't settle from the second breeding, down the road they go. That applies to cows or heifers. I have bred cows for some herds that the cows/heifers never settle to AI. Whether that is a heat detection problem or the animals disposition I've never figured out. dunmovin farms > After a few years of raising > feeders we are trying to start a > cow calf heard. we have 3 angus of > breeding age. A 2yr old and 2 > heffers [16 mo old]. The 2 yr old > was AI'd on Sept 27th to a bull > named Time Saver. the heffers to > Hall of Fame,[the only ones the > technician had]. I saw the 2 yr > old in heat tonight, 19 days after > she was "bred". My > question is: Is there any way to > increase the odds of getting her > bred using AI? We really don't > want a bull just yet, for a number > of reasons. Thanks in advance [/QUOTE]
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