Department of Veterinary Pathology, College of Veterinary and Animal Science, Bikaner-334001 (Rajasthan), India
Online published on 19 December, 2013.
In the present study, a total of 2056 lung and air sac samples of dead/sacrificed poultry of either sex and different age groups were collected, out of which 389 lung and 91 air sac samples showed gross lesions. After proper fixation in 10% formal saline solution the tissue were washed, dehydrated, cleared & after paraffin embedding the tissue section were cut and stained with hematoxylin and eiosin. Gross lesions observed in lungs included congestion, haemorrhages, nodules and edema. Microscopically showed nonsuppurative pneumonia 32.90%, suppurative pneumonia 24.42%, fibrinous pneumonia 8.22%, granulomatous pneumonia 4.11%, aspiration pneumonia 0.51%, circulatory affection 21.32%, lymphoma 5.65%, emphysema 2.31%, calcification 0.25% and parasitic pneumonia 0.25%. Gross lesions in air sacs were mainly thickning and clouding. Microscopically air sacculitis was found.
