Journal of Equine Science
Online ISSN : 1347-7501
Print ISSN : 1340-3516
Original Article
Seroprevalence of horse (Equus caballus) brucellosis on the Mambilla plateau of Taraba State, Nigeria
Mohammed B. ARDODauda M. ABUBAKAR
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2016 Volume 27 Issue 1 Pages 1-6

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Abstract

A cross-sectional study was conducted on the seroprevalence of horse brucellosis using the Rose Bengal Plate Test (RBPT) and Serum Agglutination Test (SAT) on the Mambilla plateau of Taraba state, Nigeria where horses are reared under a free range management system on cattle farms. The objectives of the study were to determine the prevalence of brucella antibodies in horses as well as the distribution of the infection according to sex and age. A total of 100 horses were sampled, 25 each from four locations where horses were concentrated on the plateau: Gembu, Nguroje, Dorofi, and Mayo Ndaga. Sixty-two of the horses were males, and 38 were females. Eighty of the horses were adults, while 20 were young. All horses were reared under a free range management system together with cattle. The overall seroprevalence rate was 16 (16%) according to the RBPT and 6 (6%) according to the SAT. The seroprevalence rates were 19.40% (12/62) according to the RBPT and 6.50% (4/62) according to the SAT in the males and 10.50% (4/38) according to the RBPT and 5.30% (2/38) according to the SAT in the females. The prevalence was highest in Nguroje (8/25, 32%) followed by Gembu (5/25, 20%), Dorofi (3/25, 12%) and Mayo Ndaga (0%). Adult horses showed a seroprevalence of 18.8% (n=15) according to the RBPT and 7.5% (n=1) according to the SAT. Young horses had a seroprevalence rate of only 5% (n=1) according to the RBPT and 0% (n=0) according to the SAT. There was no statistically significance association with location, sex, and age (P>0.05). From this result, it can be concluded that brucellosis in horses on the Mambilla plateau of Taraba state, Nigeria was essentially a disease of adult horses and more prevalent in male horses than female horses. Further studies need to be conducted to determine the disease status in lowland areas of the state where horses are reared on zero grazing or are tethered and also to determine the involvement of other species and humans.

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