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Livestock & Forage
Destroying immunity...?
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<blockquote data-quote="Vader" data-source="post: 7615680" data-attributes="member: 82564"><p>Just an idle thought.</p><p>A farmer i knew was going to go high health status on herd.</p><p>Started with jonas testing.</p><p>1/4 of the herd came back with high results and recommended culling. </p><p>He culled most, but few of his best he did not and kept them isolated on a different farm. </p><p></p><p>Had then tested year after and results were low, so kept another year. </p><p>Next test showed some up and some down.</p><p>Said did not make sense and so abandoned the high health idea and put the cows back into the main herd. All stayed another 6-7 years and were culled due to old age.</p><p></p><p>So...</p><p>Were those cows immune to jonas ?</p><p>If we cull every cow that tests high, even if healthy, then are we potentially removing future immunity?</p><p>Not sure how many are culled each year with it.</p><p>But would it be worth the cost for the gov to have a isolation unit that all cattle that are healthy and high jonas be sent to and keep few years.</p><p>The ones who remain healthy, breed off them.</p><p>There could be a big pool of cattle thaT carry but are immune and we cull.</p><p></p><p>Might even be same for tb..??</p></blockquote><p></p>
[QUOTE="Vader, post: 7615680, member: 82564"] Just an idle thought. A farmer i knew was going to go high health status on herd. Started with jonas testing. 1/4 of the herd came back with high results and recommended culling. He culled most, but few of his best he did not and kept them isolated on a different farm. Had then tested year after and results were low, so kept another year. Next test showed some up and some down. Said did not make sense and so abandoned the high health idea and put the cows back into the main herd. All stayed another 6-7 years and were culled due to old age. So... Were those cows immune to jonas ? If we cull every cow that tests high, even if healthy, then are we potentially removing future immunity? Not sure how many are culled each year with it. But would it be worth the cost for the gov to have a isolation unit that all cattle that are healthy and high jonas be sent to and keep few years. The ones who remain healthy, breed off them. There could be a big pool of cattle thaT carry but are immune and we cull. Might even be same for tb..?? [/QUOTE]
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Destroying immunity...?
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