alexa Risk factors of bovine tuberculosis in cattle in rural livestock production systems of Ethiopia.
Biomedical Sciences

Biomedical Sciences

Biology and Medicine

Author(s): Tschopp R, Schelling E, Hattendorf J, Aseffa A, Zinsstag J

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Abstract This study shows a representative stratified cluster sample survey of the prevalence of comparative intradermal tuberculin test in cattle from four regions in Ethiopia. Using a cut-off for positivity of 2 mm, it assesses possible risk factors for tuberculin-positive reaction in cattle. Seventy-three villages in 24 kebeles (administrative units) were randomly selected, from which 2216 cattle from 780 owners were tested. In addition, 450 of these cattle owners were interviewed for risk factor assessment. Ninety-nine percent of the tested cattle in this rural livestock production system were traditional zebus. The individual overall prevalence of cattle bovine tuberculosis (BTB)e was 3\%, with the highest found in Meskan Mareko, in Central Ethiopia (7.9\%) and the lowest in Woldia, in the North East edge of the Rift Valley (1.2\%). Generalised Linear Mixed Models (GLMM) with random effect on kebeles was used to analyse risk factors of cattle reactors and human tuberculosis (TB) infection. Purchase of cattle and presence of other livestock in the herd were statistically significant, with OR: 1.7, p-values of 0.03 and OR: 2, p = 0.05, respectively. Family members diagnosed with TB or showing clinical signs of extra-pulmonary TB (EPTB) were reported in 86 households (19\%). None of the assessed potential risk factors of disease transmission between cattle and human (food consumption, livestock husbandry and presence of BTB-positive cattle) were statistically significant.
This article was published in Prev Vet Med and referenced in Biology and Medicine

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