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Cattle Boards
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BVD and IBR
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<blockquote data-quote="wbvs58" data-source="post: 838834" data-attributes="member: 16453"><p>As I suggested the bull is not a PI, he has antibodies to BVD which may even be from vaccinations. A PI will not produce antibodies. What they are saying about the test is that to see if it is a recent infection and hence contributing to the scours then a second blood test needs to be done a few weeks later to see if the antibody titre is rising.</p><p>I suspect if a second test was done it would be the same, suggesting that the antibody titre is from the vaccinations, ie immune to BVD.</p><p>From what you have had done so far there is nothing to suggest you have a problem with BVD, your herd is vaccinated, your bull has immunity, I would relax a bit. Yes you could ear notch the lot, you might find a PI, you may not, but I maintain if your herd is immune then a PI would have no impact.</p><p>Ken</p></blockquote><p></p>
[QUOTE="wbvs58, post: 838834, member: 16453"] As I suggested the bull is not a PI, he has antibodies to BVD which may even be from vaccinations. A PI will not produce antibodies. What they are saying about the test is that to see if it is a recent infection and hence contributing to the scours then a second blood test needs to be done a few weeks later to see if the antibody titre is rising. I suspect if a second test was done it would be the same, suggesting that the antibody titre is from the vaccinations, ie immune to BVD. From what you have had done so far there is nothing to suggest you have a problem with BVD, your herd is vaccinated, your bull has immunity, I would relax a bit. Yes you could ear notch the lot, you might find a PI, you may not, but I maintain if your herd is immune then a PI would have no impact. Ken [/QUOTE]
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