title: Nitrogen metabolism of gravid gilts fed purified diets deficient in either leucine or tryptophan.
mesh_terms: D000818:Animals; D001806:Blood Urea Nitrogen; D005260:Female; D007930:Leucine / Q000172:deficiency*; D009584:Nitrogen / Q000378:metabolism*; D011247:Pregnancy; D011270:Pregnancy, Animal; D013552:Swine / Q000378:metabolism* / Q000502:physiology; D014364:Tryptophan / Q000172:deficiency*
chemical_list: D014364:Tryptophan; D007930:Leucine; D009584:Nitrogen