title: Influence of dietary amino acids on the age at puberty of Yorkshire gilts.
mesh_terms: D000284:Administration, Oral; D000367:Age Factors; D000596:Amino Acids / Q000008:administration & dosage*; D000821:Animal Feed; D000818:Animals; D001835:Body Weight; D004032:Diet; D004971:Estrus; D005260:Female; D008239:Lysine / Q000008:administration & dosage; D008715:Methionine / Q000008:administration & dosage; D011247:Pregnancy; D013552:Swine / Q000502:physiology*; D014364:Tryptophan / Q000008:administration & dosage
chemical_list: D000596:Amino Acids; D014364:Tryptophan; D008715:Methionine; D008239:Lysine