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Artificial Insemination (AI) for Cattle
Progressive ataxia
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<blockquote data-quote="wbvs58" data-source="post: 1762623" data-attributes="member: 16453"><p>That is basically how I have dealt with the defects. I manoeuvre away from the defect. There is no need to instantlly purge every carrier from your herd in case others catch it from them. A very good cow that showed up as a carrier you may want to keep in the seedstock herd to obtain heifers that test clear as a replacement, even flush her. I even bought two cows that were AM carriers back in the day. I would not have been able to afford them otherwise as they were top shelf cows. One showed up +ve for NH a little down the track so was hard to get a clear one from her but the other I had a good run of success with and got a few clear heifers. I think the discovery of a new defect is more devastating to a breeder just starting out with foundation cows than in an established herd. I have a problem deciding which heifers to keep each year so there are plenty of options. I would not hesitate to sell a carrier heifer to a commercial breeder as long as they bought registered bulls with known status for their herd and were aware of what they are buying. It is the unregistered unpedigreed bulls that pose the greatest risk.</p><p></p><p>Ken</p></blockquote><p></p>
[QUOTE="wbvs58, post: 1762623, member: 16453"] That is basically how I have dealt with the defects. I manoeuvre away from the defect. There is no need to instantlly purge every carrier from your herd in case others catch it from them. A very good cow that showed up as a carrier you may want to keep in the seedstock herd to obtain heifers that test clear as a replacement, even flush her. I even bought two cows that were AM carriers back in the day. I would not have been able to afford them otherwise as they were top shelf cows. One showed up +ve for NH a little down the track so was hard to get a clear one from her but the other I had a good run of success with and got a few clear heifers. I think the discovery of a new defect is more devastating to a breeder just starting out with foundation cows than in an established herd. I have a problem deciding which heifers to keep each year so there are plenty of options. I would not hesitate to sell a carrier heifer to a commercial breeder as long as they bought registered bulls with known status for their herd and were aware of what they are buying. It is the unregistered unpedigreed bulls that pose the greatest risk. Ken [/QUOTE]
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