Pathology of the Trachea and Lungs in Sheep
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Date
2016-01
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Abstract
A survey on occurrence of
pathological conditions of trachea and lungs
of slaughtered and post mortem cases of sheep
were investigated in the present study. A total
of 156 cases of trachea and lungs were
collected for histopathology from the Jammu
region, Jammu & Kashmir state, India with
age ranged from 6 months to 2 and a half
years. Among them, 8.97% trachea and
37.82% lungs were found to be apparently
abnormal in naked eye. In trachea, the gross
lesions like congestion and /haemorrhages
(5.13%), frothiness (3.20%) and foreign
bodies (1.92%) and histopathologically,
congestion/haemorrhage (8.97%), acute
tracheitis (7.05%) and sub-acute fibrinous
tracheitis (4.49%) were recorded. Grossly
lungs showed emphysema (23.08%),
atelectasis (2.56%), cysts (4.49%), congestion
(8.97%), haemorrhage (4.49%), red
hepatization (10.26%) and grey hepatization
(11.53%), adhesion with pleura/ thickening of
pleura (0.64%), abscesses (1.28%) and growth
(0.64%). Histopathological examination of
lungs revealed emphysema (24.36%),
atelectasis (3.21%), haemosiderosis (4.49%),
congestion (12.18%), edema (8.97%),
bronchitis (5.76%) brochiolitis (9.62%),
haemorrhagic pneumonia (7.69%),
bronchopneumonia (1.92%), fibrinous
bronchopneumonia (3.84%), fibrinous
purulent bronchopneumonia (1.92%),
suppurative broncho-pneumonia (2.56),
interstitial pneumonia (8.33%),
granulomatous pneumonia (1.28%),
verminous pneumonia [parasitic pneumonia
(2.56%), and hydatid cysts (6.41%)],
bronchiolar cell hyperplasia (0.64%) and
bronchiolar-alveolar carcinoma (0.64%). For
the morphological descriptions, the lesions
were categorized into various types; however
a single section showed intermixure of various
lesions.
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Keywords
Veterinary Science, Veterinary Pathology