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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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eISSN: 1597-3115