Low prevalence of bovine tuberculosis in Somali pastoral livestock, southeast Ethiopia

Gumi, B. and Schelling, E. and Firdessa, R. and Erenso, G. and Biffa, D. and Aseffa, A. and Tschopp, R. and Yamuah, L. and Young, D. and Zinsstag, J.. (2012) Low prevalence of bovine tuberculosis in Somali pastoral livestock, southeast Ethiopia. Tropical animal health and production, Vol. 44, H. 7. pp. 1445-1450.

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Official URL: http://edoc.unibas.ch/dok/A6094265

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A cross-sectional study of bovine tuberculosis (BTB) detected by the comparative intradermal tuberculin test (CIDT) was conducted in livestock of the Somali region in southeast Ethiopia-in four pastoral associations from January to August 2009. In 94 herds, each of 15 cattle, camels, and goats was tested per herd leading to a total of 1,418 CIDT tested animals, with 421 cattle, 479 camels, and 518 goats. A herd was considered positive if it had at least one reactor. Prevalence per animal species was calculated using a xtgee model for each species. The individual animal prevalence was 2.0% [95% confidence interval (CI), 0.5-8.4], 0.4% (95% CI, 0.1-3%), and 0.2% (95% CI, 0.03-1.3) in cattle, camels, and goats, respectively. Prevalence of avian mycobacterium purified protein derivative (PPD) reactors in cattle, camels, and goats was 0.7% (95% CI, 0.2-2.0%), 10.0% (95% CI, 7.0-14.0%), and 1.9 (95% CI, 0.9-4.0%), respectively, whereby camels had an odds ratio of 16.5 (95% CI, 5.0-55.0) when compared to cattle. There was no significant difference between livestock species in BTB positivity. In the present study, the prevalence of bovine tuberculosis was low in Somali pastoral livestock in general and in camels and goats in particular. The high proportion of camel reactors to avian PPD needs further investigation of its impact on camel production
Faculties and Departments:09 Associated Institutions > Swiss Tropical and Public Health Institute (Swiss TPH) > Department of Epidemiology and Public Health (EPH) > Human and Animal Health
UniBasel Contributors:Schelling, Esther and Zinsstag, Jakob Z
Item Type:Article, refereed
Article Subtype:Research Article
Note:Publication type according to Uni Basel Research Database: Journal article
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Last Modified:19 Jul 2013 07:44
Deposited On:19 Jul 2013 07:42

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