, Volume 42, Issue 4, pp 547-549
Date: 10 Nov 2009

Risk factors associated with bovine tuberculosis in some selected herds in Nigeria

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Introduction

Bovine tuberculosis (BTB) primarily caused by Mycobacterium bovis is controlled in farm animals in most industrialised countries, as a result of which infection is minimised. However, studies have confirmed the endemicity of BTB in cattle herds in Nigeria with the isolation of M. bovis from cow’s milk (Cadmus and Adesokan 2007 and Ofukwu et al. 2008) and lesions of farm and abattoir animals (Cadmus et al. 2004; Cadmus et al. 2007). Due to lack of control measures and tuberculin screening of cattle in Nigeria, we evaluated the status of the disease in some selected herds with a view to knowing the risk factors associated with it.

Materials and methods

In all, 1,360 cattle from 33 resident and pastoral herds (Table 1) in three out of the six geopolitical zones in Nigeria (i.e. northwest, north-central and southwest) were selected based on the cooperation of the owners and screened using the single comparative intra-dermal tuberculin test (Ameni and Erhikun 2007). The prevalence ...