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An enzyme-labeled antibody test was used for detecting antibodies in serums from chickens infected experimentally with Mycobacterium avium serotype 2. Positive ELA reactions were observed in the serums of each of 8 chickens 2, 4, 6, and 8 weeks after infection; no reactions were observed in uninfected controls. Tuberculin skin tests did not induce positive ELA test reactions in uninfected chickens.
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Thoen et al. (1978) studied this question.
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