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Pneumonia in pigs- A pathomorphological study Lavanya K.*,2, Ramadevi V.1,2, Srilatha Ch.2 2Department of Veterinary Pathology, College of Veterinary Science, Tirupati-517502 (A.P.) 1department of Veterinary pathology, NTR College of Veterinary Science, Gannavaram-521102 (A.P.) *Corresponding author: email: kogantivetpath@g.mail.com
Abstract Pneumonia was noticed in 216 out of 350 pigs (61.71%) examined in the present study. In acute or chronic suppurative bronchopneumonias, the exudates were predominantly composed of neutrophils, fibrin was predominant exudates in fibrinous bronchopneumonia cases. Areas of coagulative necrosis showed accumulation of degeneration and intact polymorphs and bronchioles were filled with necrotic material. Extensive lymphoid follicular aggregates in the peribronchial, peribronchiolar and perivascular spaces along with peribronchial and perivascular fibrosis in interstitial pneumonia cases with influx of neutrophils into the alveolar lumen were noticed. The alveoli were lined by cuboidal type II pneumocytes in bronchointerstitial pneumonia cases. Granulomatous pneumonia case was characterized by the presence of small granulomas in the lungs consisting of a foreign body in the centre and verminous pneumonia cases revealed the sections of the parasites of Metastrongylus sps in the lumen of the bronchioles, surrounded by mucus and inflammatory cells. Top Keywords Pathology, Pig, Pneumonia. Top | | | |
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