6D.A. Gamboa, M.C. Calhoun, et al. Use of Expander Cottonseed meal in Broiler Diets Formulated on a Digestible Amino Acid Basis. Poult. Sci, 2001, 80:789～794
7Green S, et al. Digestibilities of amino acids in maize, wheat and barley meal, determined with intact and cecectomized cockerels. Brit Poult Sci, 1987a, 28:631～641
8Green S, et al. Digestibilities of amino acids in soybean, sunflower and groundnut meal, determined with intact and cecectomized cockerels. Brit Poult Sci, 1987b,28:643 ～ 652
9J. Si, C.A. Fritts, et al. Relationship of Dietary Lysine Level to the Concentration of All Essential Amino Acid in Broiler Diets. Poult. Sci, 2001, 80:1472 ～1479
10J.W. KESSLER, T.H. NGUYEN, and O. P. THOMAS. The Amino Acid Excretion Values in Intact and Cecectomized Negative Control Rooster Used for Determining Metabolic Plus Endogenous Urinary Losses. Poult. Sci, 1981,60:1 576 ～ 1 577
