title: Tryptophan requirement of the lactating sow.
mesh_terms: D000601:Amino Acids, Essential / Q000097:blood; D000821:Animal Feed; D000818:Animals; D001806:Blood Urea Nitrogen; D001835:Body Weight; D004032:Diet; D005243:Feces / Q000032:analysis; D005260:Female; D007774:Lactation; D008892:Milk / Q000032:analysis; D008894:Milk Proteins / Q000032:analysis; D009584:Nitrogen / Q000378:metabolism / Q000652:urine; D009751:Nutritional Requirements; D011247:Pregnancy; D013552:Swine / Q000378:metabolism*; D014364:Tryptophan / Q000008:administration & dosage / Q000097:blood / Q000378:metabolism*
chemical_list: D000601:Amino Acids, Essential; D008894:Milk Proteins; D014364:Tryptophan; D009584:Nitrogen