Proteins in the digesta of the pig : amino acid composition of endogenous, bacterial and fecal fractions J.-P. LAPLACE, Béatrice DARCY-VRILLON, Yvonne DUVAL-IFLAH, P. RAIBAUD, Françoise BERNARD, Régine CALMES and P. GUILLAUME Reprod. Nutr. Dévelop., 25 6 (1985) 1083-1099 DOI: 10.1051/rnd:19850808