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Serological and histopathological evidences of chickens infected with avian pneumovirus

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Author(s): T. S. Qubih

Journal: Iraqi Journal of Veterinary Sciences
ISSN 1607-3894

Volume: 24 (Arabic);
Issue: 2;
Start page: 97;
Date: 2010;
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ABSTRACT
The aim of this study was to know the etiological agent of mortality which occurred in broilers and parent stocks farms inNinava province. The main noticed symptoms was swollen head. The suspected samples were inoculated in to embryonatedegg to isolate the suspected virus. Neutralization test was performed using hyperimmune serum of pneumo virus and sera frominfected birds. Experimental infection via nostrils was performed, samples from bronchi and lungs were taken forhistopathological examination. Results showed that gross lesions were observed after second passage of isolates, two whichshowed mortality after first passage. Hyperimmune serum and sera from infected birds neutralized the isolates, there wasvariation among isolates. Histopathological picture showed congestion of bronchiole , hemorrhage between alveoli with clot inmost of blood vessels with in the lung.
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