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Cattle Boards
Breeding / Calving Issues
1 or 2 straws for AI
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<blockquote data-quote="Jeanne - Simme Valley" data-source="post: 367073" data-attributes="member: 968"><p>There is a LOT of difference between volume in straws. Recently, I heard one major company now only puts 5-8 Mil/straw. Dependa-Bull puts 30+ mil. Genex tested two straws & they found 42-45 mil in each. Also, some bulls semen lives a LONG time after thaw - this gives you more leeway on your timing.</p><p>Most major companies know what they are doing (we hope!) and guarantee the quality of their semen.</p><p>I have bred cattle 2 times several different times. Mainly, catch one standing early AM & "looks" like she's been at it for some time - breed her at 6am and she continues standing til after noon - will rebreed her if in last 30 days of breeding.</p><p>Or, if I decide I have a problem breeder - we'll hit her two different times. I DO NOT see any real benefit of sticking two straws in at the same time.</p><p>Like Dun said - if everything is not right - you can dump your tank in her & she probably won't settle.</p></blockquote><p></p>
[QUOTE="Jeanne - Simme Valley, post: 367073, member: 968"] There is a LOT of difference between volume in straws. Recently, I heard one major company now only puts 5-8 Mil/straw. Dependa-Bull puts 30+ mil. Genex tested two straws & they found 42-45 mil in each. Also, some bulls semen lives a LONG time after thaw - this gives you more leeway on your timing. Most major companies know what they are doing (we hope!) and guarantee the quality of their semen. I have bred cattle 2 times several different times. Mainly, catch one standing early AM & "looks" like she's been at it for some time - breed her at 6am and she continues standing til after noon - will rebreed her if in last 30 days of breeding. Or, if I decide I have a problem breeder - we'll hit her two different times. I DO NOT see any real benefit of sticking two straws in at the same time. Like Dun said - if everything is not right - you can dump your tank in her & she probably won't settle. [/QUOTE]
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