8Duncan,D.B.Multiple range and multiple F test. Biometrics,1955,11:1~42
9Fan,M.Z.,and W.C.Sauer. Determination of apparent ileal amino acid digestibility in barley and canola meal for pigs with the direct,difference and regression methods.J.Anim. Sci,1995a,73:2364~2374
10Fan,M.Z.,and W.C.Sauer. Determination of apparent ileal amino acid digestibility in peas for pigs with the direct, difference and regression methods. Livest. Prod. Sci,1995b,44:61~72