Ilatsia, E. D., Muasya, T. K., Muhuyi, W. B. and Kahi, A. K., 2007. Genetic and phenotypic parameters and annual trends for milk production and fertility traits of the Sahiwal cattle in semi arid Kenya. Tropical Animal Health Production, 39: 37–48.
Kosgey, I.S., Rowlands, G.L., Van Arendonk, J.A.M., and Baker, R.L., 2008. Small ruminant production in smallholder and pastoral/extensive farming systems in Kenya. Small Ruminant Research, 77, 11–24.
Legesse, G., Abebe G., Siegmund-Schultze, M. and Valle Zárate, A., 2008. Small ruminant production in two mixed-farming system of southern Ethiopia: status and prospects for improvement. Experimental Agriculture, 44, 399–412.
Meyn, K. and Wilkins, J.V., 1974. Breeding for milk in Kenya, with particular reference to the Sahiwal stud. World Animal Review, 11, 24–30.
MOLFD, 2006. Ministry of Livestock and Fisheries Development, Division of Animal Production, Annual Report, Kajiado and Narok Districts, Nairobi, Kenya.
MONPD, 2005. Ministry of Planning and National Development, Kajiado District Strategic Plan, 2005 to 2010, National Coordinating Agency for Population and Development, Nairobi, Kenya.
Muhuyi, W.B., 1997. A Comparison of the Productivity of Kenya Sahiwal and their Crosses in Large Scale Dairy Dual Purpose and Beef Production Systems. (PhD thesis, University of Nairobi, Kenya).
Muhuyi, W. B., Lokwaleput, I., Ole Sinkeet. and Lukibisi, F. B., 2000. On-farm performance of Sahiwal × Zebu crossbreds from birth to 12 months of age in Trans Mara. In. Proceedings of the 7th Kenya Agricultural Research Institute Biennual Scientific Conference and Research Week, Nairobi, Kenya, 57.
Musa, L,M-A., Peters, K.J. and Ahmed, A. M-K., 2006. On farm characterisation of Butana and Kenana cattle breed production systems in Sudan. Livestock Production for Rural Development, Volume 18, Article No. 177. http://www.lrrd.org/lrrd18/12/musa18177.htm accessed 16/06/2010
Mwacharo, J.M. and Drucker, A.G., 2005. Production objectives and management strategies of livestock keepers in South-East Kenya: Implications for breeding programme. Tropical Animal Health and Production, 37, 635–652.
Ng'ethe, J.C., 1992. Group ranch concept and practice in Kenya with special emphasis on Kajiado District. Kategile J A and Mubi S (eds). Future of livestock industries in East and southern Africa. Proceedings of a workshop held at Kadoma Ranch Hotel, Zimbabwe, 20–23 July 1992. ILCA, Addis Ababa, Ethiopia. 227 pp.
Ouma, E., Abdulai, A. and Drucker, A., 2007. Measuring heterogeneous preferences for cattle traits among cattle-keeping households in East Africa. American Journal of Agricultural Economics, 89, 1005–1019.
Scarpa, R., Ruto, E.S.K., Kristjanson, P., Radeny, M, Drucker, A. G. and Rege, J.E.O., 2003. Valuing indigenous cattle breeds in Kenya: an empirical comparison of stated and revealed preferences value estimates. Ecological Economics 45, 409–426.
Steglich, M. and Peters, K.J., 2002. Agro pastoralists' trait preferences in N'Dama cattle: Participatory methods to assess breeding objectives. 7th World Congress on Genetics Applied to Livestock Production, August 19–23, 2002, Montpellier, France, Communication No. 25–04.
Wurzinger, M., Ndumu, D., Baumung, R., Drucker, A., Okeyo, A.M., Semambo, D.K., Byamumgu, N. and Sölkner, J., 2006. Comparison of production systems and selection criteria of Ankole cattle by breeders in Burundi, Rwanda, Tanzania and Uganda. Tropical Animal Health and Production, 38: 571–581.