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Cattle Boards
Breeding / Calving Issues
3 Premature dead calves
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<blockquote data-quote="Putangitangi" data-source="post: 1042033" data-attributes="member: 5956"><p>When I discovered Neospora in my herd, I looked back through records from ten years before and realised there were probably other families carrying it. We had no horizontal transmission, but some evidence of vertical, with abortions in mothers and daughters. I tested a representative or two from each family, which kept the cost down a bit and found the lines which carried it. I culled out the commercial/non-pedigree animals and kept only the one pedigree cow and continued down with only one of her daughters. I now only have a yearling daughter of that family; if she can't carry a calf in the first couple of years, she may be the last of them. But I deliberately and heavily used the sons of that infected family, so I could extract the good of their genetics without the Neospora. I think the disease affects the sons' fertility in various ways as well.</p><p></p><p>Here there doesn't seem to be a lot of awareness of the problem or determination to do much about it, although it must be costing a great deal of production in some herds. Mind you, half the people I speak to don't know anything about BVD either.</p></blockquote><p></p>
[QUOTE="Putangitangi, post: 1042033, member: 5956"] When I discovered Neospora in my herd, I looked back through records from ten years before and realised there were probably other families carrying it. We had no horizontal transmission, but some evidence of vertical, with abortions in mothers and daughters. I tested a representative or two from each family, which kept the cost down a bit and found the lines which carried it. I culled out the commercial/non-pedigree animals and kept only the one pedigree cow and continued down with only one of her daughters. I now only have a yearling daughter of that family; if she can't carry a calf in the first couple of years, she may be the last of them. But I deliberately and heavily used the sons of that infected family, so I could extract the good of their genetics without the Neospora. I think the disease affects the sons' fertility in various ways as well. Here there doesn't seem to be a lot of awareness of the problem or determination to do much about it, although it must be costing a great deal of production in some herds. Mind you, half the people I speak to don't know anything about BVD either. [/QUOTE]
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