1. Abenga, J.N., Enwezor, F.N.C., Lawani, F.A.G., Ezebuiro, C., Sule, J. and David, K.M. 2002. Prevalence of trypanosomosis in trade cattle at slaughter in Kaduna, Nigeria. Nigeria Journal of Parasitology, 23, 107–110.
2. Agyemang, K., Dwingera, R.H., Jeannina, P., Leperrea, P., Grievea, A.S., Baha, M.L. and Littlea, D.A. 1990. Biological and economic impact of trypanosome infections on milk production in N'dama cattle managed under village conditions in The Gambia. Animal Production, 50, 383–389.
3. Anene, B.M., Chima, A.B., Jibike, G.I. and Anika, S.M. 1991. Prevalence of trypanosomosis in Zebu at Obudu ranch- a tsetse free zone in Nigeria. Preventive Veterinary Medicine, 10, 257–260.
4. Bourn, D., 1992. Highlights of the Nigerian livestock resources report. Nigerian Livestock Resources, (ISBN 1898028001, Oxford, OXI 3QE, United Kingdom).
5. Bourn, D., Grant, I., Shaw, A. and Torr, S. 2005. Cheap and safe tsetse control for livestock production and mixed farming in Africa. Aspects of Applied Biology, 75, 81.