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<blockquote data-quote="Lucky_P" data-source="post: 1507029" data-attributes="member: 12607"><p>No longer just a 'Southern/Southeastern' problem. Believe it's been reported in most of the lower 48, and even into some Canadian provinces. </p><p>When we move cattle around... sometimes you get 'more than you'd bargained for'...</p><p><a href="https://www.drovers.com/article/anger-over-anaplasmosis" target="_blank">https://www.drovers.com/article/anger-over-anaplasmosis</a></p><p></p><p>It's so prevalent here in KY that I would not consider introducing a new animal into my herd without testing first...</p><p>know of a number of seedstock producers who are now testing... and if they have seropositive animals, they have been feeding high levels of CTC (2mg/lb daily) for 60+ days in an effort to 'clear' the infection. That is extra-label drug use; may not even be 'allowed' under current regulations... but it is effective for most(but perhaps not all!)... though you'd need to wait 3-6 months and re-test to see if titers drop into the negative category to determine if clearance was achieved... but be aware that those 'cleared' animals are now susceptible to reinfection and clinical disease which could progress to death. </p><p></p><p>We used to think that we could clear the infection with a couple of rounds of treatment with long-acting oxytetracycline. That's not the case... you can't get enough OTC in a cow to kill the organism...we just helped those animals survive the acut phase of the disease... and the serologic test(complement fixation) that we had, back in the day, was so poor that we missed the majority of persistently-infected animals... and further disseminated the disease. </p><p>However, the newer serologic test (cELISA) in use today is very sensitive, and quite specific.</p></blockquote><p></p>
[QUOTE="Lucky_P, post: 1507029, member: 12607"] No longer just a 'Southern/Southeastern' problem. Believe it's been reported in most of the lower 48, and even into some Canadian provinces. When we move cattle around... sometimes you get 'more than you'd bargained for'... [url=https://www.drovers.com/article/anger-over-anaplasmosis]https://www.drovers.com/article/anger-over-anaplasmosis[/url] It's so prevalent here in KY that I would not consider introducing a new animal into my herd without testing first... know of a number of seedstock producers who are now testing... and if they have seropositive animals, they have been feeding high levels of CTC (2mg/lb daily) for 60+ days in an effort to 'clear' the infection. That is extra-label drug use; may not even be 'allowed' under current regulations... but it is effective for most(but perhaps not all!)... though you'd need to wait 3-6 months and re-test to see if titers drop into the negative category to determine if clearance was achieved... but be aware that those 'cleared' animals are now susceptible to reinfection and clinical disease which could progress to death. We used to think that we could clear the infection with a couple of rounds of treatment with long-acting oxytetracycline. That's not the case... you can't get enough OTC in a cow to kill the organism...we just helped those animals survive the acut phase of the disease... and the serologic test(complement fixation) that we had, back in the day, was so poor that we missed the majority of persistently-infected animals... and further disseminated the disease. However, the newer serologic test (cELISA) in use today is very sensitive, and quite specific. [/QUOTE]
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