@article{MAKHILLRJANS20082427609, title = {A Survey of Gastrointestinal Parasites of Nomadic Sheep in Eight Local Government Areas of Northern Nigeria}, journal = {Research Journal of Animal Sciences}, volume = {2}, number = {4}, pages = {92-95}, year = {2008}, issn = {1993-5269}, doi = {rjnasci.2008.92.95}, url = {https://makhillpublications.co/view-article.php?issn=1993-5269&doi=rjnasci.2008.92.95}, author = {S.O. Okaiyeto,L.B. Tekdek,A.K.B. Sackey and}, keywords = {Prevalence,gastrointestinal parasite,sheep,local government area}, abstract = {A survey of the prevalence of gastrointestinal parasites in nomadic sheep was conducted during the period of February to October 2002. Data were gathered from 28 flocks of sheep with a total of 101Yankassa sheep in 8 Local Government Areas (LGAs) of Northern Nigeria. High prevalence rate was observed in all the LGAs, Igabi (94.0%), Kagarko (100.0%), Birnin Gwari (100.0%), Doka Keffi (100.0%), Lapai (83.0%) Tafa (100.0%) and Doguwa (80.0%) except Kankiya which had 50%. The mean helminth prevalence rates according to their species were Haemonchus contortus 49.9%, Cooperia curtecie 39.6%, Oesophagostomum sp. 14.9% and Trichostrongylus sp. 1.9%. Doka, LGA in Nasarawa State had the highest (66.7%) prevalence rate for H. contortus with the lowest (20%) obtained from Kankiya LGA. Cooperia curtecie had the highest (100%) mean prevalence rate in Kangarko LGA of Kaduna State while Birnin Gwari LGA of the same State recorded the lowest mean prevalence (13.4%). The mean prevalence for Oesophagostomum sp. was low, 30.0% was the highest value observed in Kankiya LGA of Katsina state, the lowest value(10.0%) was observed in Doguwa LGA of Kano state. Trichostrongylus sp. has the lowest mean prevalence (6.6%) and was observed only in Birnin Gwari LGA of Kaduna state. Mixed infection constituted substantial (70.3%) proportion of all gastrointestinal nematode infection in all the sampled areas. The frequency of occurrence of single infection is 17.4%, double infections 39.5% triple infections 37.9% and quadruple infections 5.8%. Most of the animals examined had low to moderate infection, suggesting that the infections were probably at sub-clinical level.} }