Titlebook: Respiratory Diseases in Cattle; A Seminar in the EEC W. B. Martin Book 1978 ECSC, EEC, EAEC, Brussels-Luxembourg 1978 epidemiology.patholog

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A Serosurvey of Viruses during Outbreaks of Acute Respiratory/Enteric Disease in Swedish Cattlee in relation to disease during the period 1973 to 1976. Samples from about 300 animals have been processed. Serological tests with 15 different antigens have been performed including: adenoviruses, parainfluenza-3 virus, virus diarrhoea virus, reoviruses, respiratory syncytial virus and Chlannjdia.

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The Pulmonary Lesions Characteristic of Parasitic Bronchitis and the Commoner Pneumonias of Adult Catances young cattle under one year of age are affected. Adult cattle may develop significant pulmonary lesions, however, leading to clinical disease because either they have not been exposed before, which is unusual, or their immunity has waned. The lesions characteristic of Dictyocaulus viviparus i

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fatty-streak

FILLY

Infraction

978-94-009-9752-3ECSC, EEC, EAEC, Brussels-Luxembourg 1978

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美学