title: Tryptophan requirement of growing pigs at three levels of dietary protein.
mesh_terms: D000596:Amino Acids / Q000378:metabolism; D000821:Animal Feed; D000818:Animals; D001835:Body Weight; D004032:Diet; D004044:Dietary Proteins / Q000378:metabolism*; D005780:Gelatin; D009751:Nutritional Requirements; D013552:Swine / Q000254:growth & development / Q000378:metabolism*; D014364:Tryptophan / Q000378:metabolism*; D003313:Zea mays
chemical_list: D000596:Amino Acids; D004044:Dietary Proteins; D014364:Tryptophan; D005780:Gelatin