by Roderick, S, Stevenson, P, Mwendia, C, Okech, G
Published in Tropical animal health and production (01.12.2000)

by Stevenson, P, Okech, G, Mwendia, C, Sones, K.R
Published in Acta tropica (02.11.2000)

by Masiga, D K, Okech, G, Irungu, P, Ouma, J, Wekesa, S, Ouma, B, Guya, S O, Ndung'u, J M
Published in Tropical animal health and production (01.11.2002)

by Okech, G., Watson, E.D., Luckins, A.G., Makawiti, D.W.
Published in Theriogenology (01.10.1996)

by Okech, G, Dolan, R.B., Stevenson, P, Alushula, H, Watson, E.D., Luckins, A.G., Omuse, J.K.
Published in Theriogenology (01.08.1996)

by Dolan, R.B., Stevenson, P.G.W., Alushula, H., Okech, G.
Published in Acta tropica (01.06.1992)

by Tayebwa Dickson, Toshihiko Nakao, Godfrey Bigirwa, Sam G. Okech, Benon M. Kanyima
Published in The Japanese Journal of Veterinary Research (01.02.2015)

by Dolan, R.B., Okech, G., Alushula, H., Mutugi, M., Stevenson, P., Sayer, P.D., Njogu, A.R.
Published in Acta tropica (01.03.1990)

by KARSTAD, L, SILEO, L, OKECH, G, KHALIL, L.F
Published in Journal of wildlife diseases (01.10.1982)

by Okech, G, Watson, E D, Luckins, A G, Makawiti, D W
Published in British veterinary journal (01.07.1996)

by Okech, G., Luckins, A.G., Watson, E.D., Makawitis, D.W.
Published in British veterinary journal (1996)

by Okech, G., Watson, E.D., Luckins, A.G., Makawiti, D.W.
Published in British veterinary journal (01.07.1996)

by Dolan, R.B, Alushula, H, Munga, L, Mutugi, M, Mwendia, C, Okech, G, Sayer, P.D, Stevenson, P.G.W, Baker, R.L, Magadi, M
Year of Publication 1994

by Okech, G, Watson, E.D, Luckins, A.G, Makawiti, D.W. (Kenya Trypanosomiasis Research Institute, PO Box 362, Kikuyu (Kenya))
Published in British Veterinary Journal (United Kingdom) (1996)

by Okwee-Acai, J, Okech, SG, Driciru, M, Atimnedi, P, Dranzoa, C
Published in Animal production research advance : APRA (13.02.2007)