The objective of this work was evaluate the apparent and true ileal digestibility of aminoacids feedstuffs, using the technique of simple canula T, with swines. Were used eight barrows canulated (Landrace x Large White). The feedstuffs evaluated were rice broked, low tanine sorghum, wheat bran, millet, brewer yeast and sugar cane yeast. The diets with rice broked, sorghum, wheat bran, millet as protein source were formulated to provide 7% of crude protein and the others diets with brewer's and sugar cane yeasts were formulated to provide 13% of crude protein. Chromic oxide was used as digestibility marker. The collect of digest was made after adaptation period of five days para determination of feed intake and three days for the regularization of intestinal flux, for a period of 24 hours, in intervals of three hours beggining after the feed intake. The samples were obtained from digests collected from groups of two animals. Among the evaluated feedstuffs, the rice broked, sorghum and millet showed higher coefficients of true digestibility, while the lower values were obtained to wheat bran. Threonine was the essential aminoacid with lower digestibility in rice broked, wheat bran, brewer yeast and sugar cane yeast. Lysine was the aminoacid less digestible in sorghum and millet.
digestible aminoacids; growth; true digestibility
