5Jensen.Are peptides needed for optimum animal nutrition[J].Feed management,1991,114:1 122-1 129
6Kephart,Sheritte.Peffonnance and Nutrent balance in growing swince fedlow-protein diet supplemented with amino acids and potassium[J].Anim Sci.,1990,68(7):1 999-2 008
8Webb K E J r.Intestinal absorption of protein hydrolysis products:A Review J[J].Anim.Sci.,1990,68:3 011-3 022
9Colnago G L,et al.Effect of responses of starting broiler chicks to incremental reduct ion in intact protein on performance during the grower phase[J].Poul.Sci.,1991,70(Abstr.)
10Pinchasov Y,et al.broiler chicken response to low protein diets supplemented with synthetic amino acids[J].Poul.Sci.,1990,69:1 950-1 955
6Hansen J A, J L Nelssen, R D Goodband, T L Weeden, Evaluation of animal protein supplements in diets of early weaned pigs[J]. J Anim. Sci., 1993, 71:1 853.
7Kats L J. The Effects of Spray - Dried Blood Meal on Growth Performance of the Early - Weaned Pig [ J ]. Anim Sci, 1991, 72 ( 11 ) : 2860 - 2 869.
8Kats L J, J L Nelssen, M D Tokach, R D Goodband, J A Hansen, J L Laurin. The effect of spray dried porcine plasma on growth performance in the early -weaned starter pigs[J]. J Anim Sci. 1994, 72:2075.
9NRC. Nutrient Requirements of Swine[s] .Tenth revisededition. 1998.
10NRC. Nutrient Requirements of Swine[s] . Ninth revisededition, 1988.