PULMONARY-LESIONS INDUCED BY PASTEURELLA-HEMOLYTICA IN CATTLE
- 1 January 1977
- journal article
- research article
- Vol. 41 (2) , 219-223
Abstract
Twelve 4 mo. old calves were inoculated intratracheally with a large dose of P. haemolytica and the lungs were examined 18 h, 3 days and 7 days later. The gross and microscopic lesions were graded in each calf. The most extensive gross lesions were present at 3 days and were characteristic of a fibrinous pneumonia. Discrete areas of coagulation necrosis were present at 3 days and granulation tissue formed around these by 7 days. Characteristic swirly dark cells accumulated in alveoli and alveolar ducts and were observed from 3 days onwards. The gross and microscopic lesions were similar to those seen in field cases of pneumonic pasteurellosis.This publication has 5 references indexed in Scilit:
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