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KMID : 0359319670070020025
Korean Journal of Veterinary Research
1967 Volume.7 No. 2 p.25 ~ p.30
Histopathological Studies on Parasitic Bronchitis in Korean Cattle


Abstract
Pathological studies, on the lung of 27 cases of bovine parasitic bronchitis which were secured from obattoire in Korea, were performed and discussed. The chief pathological findings were as follows.
Grossly, the lungs were shown various degree of lobular consolidation, collapse and alveolar emphysema around the bronchi in which nematodes of Dictyocaulus viviparus were present. Emphysema and edema were observed in the interlobular septa. The lesions were encountered mostly in the caudal and ventral borders of the diaphragmatic lobes. In all the cased of parasitic bronchitis in which thickening of the visceral pleura and fibrinous deposition on the pleural surfaces were not seemed to be entirely clue to the lungworm infection.
Microscapically, bronchopneumonia, peribronchial and peribronchiolar lymphoid hyperplasia, lympho-reticul◎ broncho-occlusive lesion, and bleakthrough lesion were examined in the affected lungs.
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학술진흥재단(KCI)