Dousa, B.M. 2012. A Comparison between imported and a locally produced concentrate for feeding broiler chicks. Ph.D. Thesis. University of Khartoum. Sudan.
Dousa, B.M. 2005.The effect of dietary choline chloride and methionine on broiler chick’s performance and some blood parameters. M.Sc. Thesis. University of Khartoum. Sudan.
