Occurrence and pathomorphology of respiratory system incattle
2021
The present study was conducted on 895 cattle of different age groups, sex and breeds to find out the occurrence of various pathological conditions of respiratory tract, and gross and histopathological changes with reference to the type, pattern and morphology. Out of these 895 specimens, 425 samples of respiratory system suspected for abnormalities were further processed for histopathological examination. An overall incidence of various pathological conditions was observed as 47.48%. The various forms of affections were identified as rhinitis (72.94%), laryngitis (21.17%), tracheitis (23.29%), pulmonary congestion and oedema (23.15%), atelectasis (3.42%), pulmonary emphysema (8.15%), pulmonary tuberculosis (2.89%), pulmonary hydatidosis (13.68%), anthracosis (0.78%), and pulmonary hemosiderosis (0.52%). While different forms of pneumonia were also observed as broncho-pneumonia (8.68%), fibrinous pneumonia (5.00%), catarrhal pneumonia (1.57%), interstitial pneumonia (27.63%), aspiration pneumonia (2.10%), and hemorrhagic pneumonia (2.36%).
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