A RETROSPECTIVE STUDY ON BRUCELLOSIS IN RUMINANTS OF BARINGO COUNTY, KENYA.

Brucellosis is a constraint to livestock production in some parts of Kenya. Reproductive failure due to brucellosis has been reported in the country and abortions occur in cattle, sheep and goats on many of the farms in Baringo county of Kenya. Brucellosis is an infectious disease affecting mainly sexually mature animals and is caused by organisms of the genus Brucella. Brucella abortus is the species that mainly affects cattle throughout the world, while Brucella melitensis affects mainly goats and sheep. Control of bovine brucellosis using B. abortus S19 vaccine and test slaughter method has been practiced in other parts of the world (Godfroid et al. 2004). The aim of the study was to determine the prevalence of brucellosis in cattle, goats and sheep due to B. abortus and B. melitensis in four sub districts of Baringo County based on records available at the veterinary offices in Baringo county and regional veterinary laboratory at Nakuru. A total of 148 cases of brucellosis were confirmed in the six year period from 2008-2013. Of these, 143 were cattle (96.6%) while 5 (3.4%) were goats. No positive cases were detected in sheep. With regard to the sub counties, Marigat had the highest prevalence at 41.22%. The results from this study will aid brucellosis control programmes in Kenya.

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