title: Use of the laying cycle as a criterion of dietary protein or sulfur amino acid adequacy.
mesh_terms: D000821:Animal Feed; D000824:Animal Nutritional Physiological Phenomena; D000818:Animals; D001835:Body Weight / Q000187:drug effects; D002645:Chickens / Q000502:physiology*; D004044:Dietary Proteins
chemical_list: D004044:Dietary Proteins