Seroprevalence and factors affecting brucellosis in goats in Chiang Mai Province
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Abstract
Brucellosis in goat is zoonotic disease caused by Brucella melitensis. It is an important persistent disease of goats that affects reproduction and productivity. The objective of this study was to determine seroprevalence of brucellosis and factors affecting brucellosis in goats in Chiang Mai province. A crosssectional study was set up in 9 districts of Chiang Mai: Mueng, Mae-On, Mae Rim, Fang, Doi Saket, Sankhampaeng, Chomthong, San Sai, and Doi Lo. Blood samples from 500 goats from 12 farms were collected. All of the serum was tested sequentially positive for Brucella spp. antibodies and analyzed using Rose Bengal test and confirmed by complement fixation test. Factors associated with the seropositivity from questionnaire were determined with 95% confidence. The results showed that seroprevalence of Brucellosis in animal level were 0.60 % (3/500) and 16.67 % (2/12) for herd level. Five factors associated with seropositive were herd size, reproductive problem, brucellosis test program, source of a new goat, and disinfection in farm. In conclusion, the data of risk factors associated with seropositive can be used for surveillance management to control and prevention of brucellosis in goat in Chiang Mai province
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