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Johnes disease has me worried
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<blockquote data-quote="Lucky_P" data-source="post: 1572822" data-attributes="member: 12607"><p>Johne's testing here is pretty cheap - like $8.50 for the ELISA(blood) test, and $37.75 for the PCR test on feces. </p><p>I'd have my vet examine her and collect blood and feces; if she's positive on the ELISA test, she's definitely got JD... but if she's negative on the ELISA, I'd go ahead and run the PCR. Most, but not all, JD cows will seroconvert and be positive on the ELISA test around the time they start to exhibit classical clinical signs (diarrhea, wasting). </p><p></p><p>Even if you're gonna send her on, it would be good to know if you've introduced JD to your premises... the causative organism can live for over a year in manure pats and moist soil around feeders, waterers, etc. </p><p>Sometimes you get more than you bargained for...</p></blockquote><p></p>
[QUOTE="Lucky_P, post: 1572822, member: 12607"] Johne's testing here is pretty cheap - like $8.50 for the ELISA(blood) test, and $37.75 for the PCR test on feces. I'd have my vet examine her and collect blood and feces; if she's positive on the ELISA test, she's definitely got JD... but if she's negative on the ELISA, I'd go ahead and run the PCR. Most, but not all, JD cows will seroconvert and be positive on the ELISA test around the time they start to exhibit classical clinical signs (diarrhea, wasting). Even if you're gonna send her on, it would be good to know if you've introduced JD to your premises... the causative organism can live for over a year in manure pats and moist soil around feeders, waterers, etc. Sometimes you get more than you bargained for... [/QUOTE]
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