Changing the chick's requirement of arginine by selection.
D000821:Animal Feed; D000818:Animals; D001120:Arginine / Q000378:metabolism*; D001835:Body Weight; D003677:Deficiency Diseases / Q000662:veterinary; D004531:Eggs; D005260:Female; D005823:Genetics; D006128:Growth; D008297:Male; D009026:Mortality; D011200:Poultry / Q000378:metabolism*
D001120:Arginine