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Studies on the pathogenesis and pathology of chlamydial pneumonia in calves


, : Studies on the pathogenesis and pathology of chlamydial pneumonia in calves. Dissertation Abstracts International 33B(11): 5569-5570

Five cases of enzootic calf pneumonia yielded a chlamydial agent identified as C. psittici. Aerosol exposure of 11 (23-143 days old colostrum-deprived) calves with organisms grown on chick embryo yolk sac produced mild febrile and clinical reactions, and eight developed enteritis. The organism was recovered from nasal exudated 1-20 days after exposure. Haematological studies showed only slight change in leucocyte numbers.

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