Abstract
Camel Trypanosomosis (Surra), caused by Trypanosoma evansiis a serious problem in the camel-rearing regions of Nigeria. In the present study, 150 camels slaughtered in Sokoto central abattoir were examined for the presence of antibodies and DNA of T. evansi using the Card Agglutination Test (CAT) and Polymerase Chain Reaction (PCR) methods, respectively. Antibody and the DNA of T. evansi were detected in 42 (28.0%) and 68 (45.3%) of the animals tested by the CAT and PCR, respectively. Higher prevalence was found among young camels compared to the adults using CAT (33.3% vs 27.8%), while adults had higher prevalence than the young (46.5% vs 16.7%) using PCR technique. Both the techniques recorded higher prevalence in males than females; CAT (28.3% vs 25.0%) and PCR (49.3% vs 0.0%). The detection of T. evansi DNA was significantly associated with the age (p=0.001) and sex (p=0.002) of camels, but not for the serological technique (p> 0.05). The detection of antibodies and DNA of T. evansi in camels in this study attest to the possibility of continuous exposure of camels to infections. The role of Surra in camel production in Nigeria and the need for holistic control measures are discussed.
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