Amino acid absorption by portal-jugular venous differences in sheep fed two maturites of alfalfa hay.
D000596:Amino Acids / Q000097:blood*; D000601:Amino Acids, Essential / Q000097:blood; D000821:Animal Feed; D000818:Animals; D001783:Blood Flow Velocity; D007601:Jugular Veins; D008297:Male; D000455:Medicago sativa; D011169:Portal Vein; D012756:Sheep / Q000097:blood*
D000596:Amino Acids; D000601:Amino Acids, Essential