1. Ali, A.B..., 2003. Genetics similarity among four breeds of sheep in Egypt detected by Random amplified polymorphic DNA markers. African Journal of Biotechnology, 2 (7),194–197.
2. ARC-AII., 2001. The origin of the indigenous livestock of South Africa: http://www.arc.agric.za/institutes/aii/main/divisions/animalbreedgen/reproduction/genresdep.htm#top
3. Baker, R.L and Rege, J.E.O., 1994. Genetic resistance to disease and other stresses in improvement of ruminant livestock in the tropics. Proceedings of the Fifth World Congress on Genetics Applied to Livestock Production, 20,405–41.
4. Buduram, P., 2004. Genetic Characterisation of South African Sheep Breeds Using DNA Markers. Master’s thesis, University of Free State, South Africa.
5. Cushwa, W.T and Medrano, J.F., 1996. Identification of RAPD genetic markers in sheep. Proceeding of the 5th World Congress on Genetics Applied to Livestock Production, 21.133–136.