Antibody and skin-test responses of sheep vaccinated against Johne's Disease
2007
Abstract Current vaccines against Mycobacterium avium subsp. paratuberculosis (MAP, Johne's Disease) may cause animals to react positively when tested for Mycobacterium bovis (Bovis). Therefore, the effects of vaccination on MAP serum Ab and skin-test responses to MAP and Bovis PPD were compared in 25 ewes vaccinated against MAP with 24 control ewes in an infected flock 3 years post-vaccination. MAP-specific Ab levels were higher ( P P P P
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