Swai, E.S., Karimuribo, E.D., French, N.P., Fitzpatrick, J.L., Bryant, M.J., Kambarage, D.M., Ogden, N.H. (2007)Seroprevalence of Babesia bigemina in smallholder dairy cattle in Tanzania and associated risk factors, J S Afr Vet Assoc. , 78(1), 15-20.