Idris A O, Elemam M B, Kijora C, El-Hag F M and Salih A M 2011:
Effect of dietary supplementation, sex and birth type on body weight of desert ewes and their lambsí growth performance in semi arid area of Kordofan State, Sudan.
Livestock Research for Rural Development. Volume 23, Article #40.
, from http://www.lrrd.org/lrrd23/2/idri23040.htm