HADDAD S G,HUSEIN M Q.Effect of dietary energy density on growth performance and slaughtering characteristics of fattening Awassi lambs[J].Livestock Production Science,2004,87:171-177.
YAGOUB Y M,BABIKER S A.Effect of dietary energy level on growth and carcass characteristics of female goats in Sudan[J].Livestock Research for Rural Development,2008,20(12).http://www.lrrd.org/lrrd20/12/yago20202.htm.
[8]
SANJAVA K,TIWARI S P,NARANY M P.Effect of plane of nutrient utilization and growth of Goddi kids[J].Indian Journal of Animal Nutrition,1990,7(1):7-10.
[9]
MAHGOUB O,LU C D,EARLY R J.Effects of dietary energy density on feed intake,body weight gain and carcass chemical composition of Omani growing lambs[J].Small Ruminant Research,2000,37(1):387-395.
[10]
SAYED A N.Effect of different energy levels of diets on the performance,nutrient digestibilities and carcass characteristics of lambs[J].International Journal for Agro Veterinary and Medical Sciences,2011,5(5):472-476.
STANLEY C C,WILLIAMS C C,JENNY B F,et al.Effects of feeding milk replacer once versus twice daily on glucose metabolism in Holstein and Jersey calves[J].Journal of Dairy Science,2002,85(9):2335-2343.