3G.R.Ghorbani,R.Kowsar,M.Alikhani.Soymilk as a Novel Milk Replacer to Stimulate Early Calf Starter Intake and Reduce Weaning Age and Costs[J].J.Dairy Sci.,2007,90:5692-5697.
4F.C.Flower,D.M.Weary.Effects of early separation on the dairy cow and calf:2.Separation at 1 day and 2 weeks after birth.Appl.Anim.Behav.Sci.,2001,70:275-284.
5R.M.Blome,J.K.Drackley,F.K.McKeith,et al.Growth,nutrient utilization,and body composition of dairy calves fed milk replacers containing different amounts of protein[J].J.Anim.Sci.,2003,81:1641-1655.
6K.S.Bartlett,F.K.McKeith,M.J.VandeHaar,et al.Growth and body composition of dairy calves fed milk replacers containing different amounts of protein at two feeding rates.J.Anim.Sci.,2006,84:1454-1467.
7王根林.养生学(第二版)[M].北京:中国农业出版社,2006.
8J.Jasper,D.M.Weary.Effects of Ad Libitum Milk Intake on Dairy Calves.J.Dairy Sci.,2002,85:3054-3058.
9Henry Y,Sere B.Feed intake and dietary amino acid balance in growing pigs with special reference to lysine,tryptophan and threonine[J].Pig News and Information,1993,14(1):35-43.
10Davis C L,Drackley J K.The Development,nutrition,and management of the young calf[M].Ames:Iowa State University Press:1998:91-102.
