Idris A O, Ahmed M M M, Almansoury Y H, Salih A M and Elemam M B 2011:
The effect of feed supplementation on the productive and reproductive performance of nomadic dairy herds under range condition of Kordofan state, Sudan.
Livestock Research for Rural Development. Volume 23, Article #175.
Retrieved
, from http://www.lrrd.org/lrrd23/8/idris23175.htm