6Sauer W C, Ozimek L. Digestible of amino acid inswine : results and their practical applications. Li vestProd. Sci. ,1986(15):367.
7SouthernL L. Digestible amino acids and didestibleamino acids requirements for swine. Biokyowa tech-nical review,1991 (2): 1.
8Stein H H, Trottier N L, Bellaver C , et al. Theeffect of feeding level and physiological status ontotal flow and amino acid composition of endoge-nous protein at the distal ileum in swine. Amm.Sci. ,1999(77) -.1180 -1187.
9BoisenS,Moughan P J. Dietary influences on endog-enous ileal protein and amino acid loss in the pig -a review. Anim. Sci. ,1996(46) : 154 - 164.
10Green S. Digestibility of amino acids in maize,wheat and barley meal,measured in pigs with ileo-rectal anastomosis and isolation of the large in-testine. Food and Agri. Sci. ,1987(41) :29 -43.
