title: Effect of methionine and choline and tannic acid and tannin toxicity in the laying hen.
mesh_terms: D000284:Administration, Oral; D000821:Animal Feed; D000818:Animals; D001835:Body Weight; D002645:Chickens; D002794:Choline / Q000008:administration & dosage / Q000627:therapeutic use*; D004032:Diet; D002523:Edible Grain; D004531:Eggs; D005260:Female; D006799:Housing, Animal; D008715:Methionine / Q000008:administration & dosage / Q000627:therapeutic use*; D011201:Poultry Diseases / Q000139:chemically induced* / Q000188:drug therapy; D013634:Tannins / Q000008:administration & dosage / Q000633:toxicity*
chemical_list: D013634:Tannins; D008715:Methionine; D002794:Choline