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Pathomorphology and aerobic bacteria associated with pneumonia in small ruminants slaughtered at the Nsukka abattoir

Iniobong Chukwuebuka Ugochukwu, Chioma Inyang Aneke, Chukwunonso Kenechukwu Ezeasor, Wayuta Philip Msheila, S.I. Idoko, A.Y. Kwabugge, Shodeinde Vincent Olu Shoyinka, Chijioke Nwankwo Chineme, Kennedy Fionkfu Chah, Emmanuel Ikenna Ugochukwu

Abstract


Pneumonia occurs in all ages of sheep and goats, in all breeds, in every country of the world causing heavy economic losses. The aim of this study was to determine the prevalence of pneumonia and aerobic bacteria flora associated with it in small ruminants slaughtered at the Nsukka abattoir. Pneumonic lung of small ruminants were examined for gross lesions. Lung samples were collected and processed using standard protocols for histopathological and bacteriological examinations. Lung samples from 342 goats and 40 sheep were examined. A total of 116(30.36 %) lungs had various types of pneumonia. Two major types of pneumonia were observed during histopathological examination; bronchopneumonia 64(55.17 %) and interstitial pneumonia 52(44.82 %). Out of the 116 pneumonic lungs collected over a six months period, 98 were caprine lungs and 18 were ovine lungs. Aerobic bacteria isolated from the pneumonic lungs were Escherichia coli, Klebsiella pneumoniae, Mannheimia haemolytica, Streptococcus pyogenes, Staphylococcus aureus and Pasteurella multocida respectively. There was no significant seasonal, species and breed associations (p>0.05) between pneumonic lesions observed and the associated aerobic bacteria.

Keywords: Small ruminants, Pneumonia, Interstitial pneumonia, Bronchopneumonia, Aerobic bacteria flora




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