March, B E The effects of protein level and amino acid balance in wheat-based laying rations. [electronic resource] - Poultry science Mar 1972 - 547-57 p. digital Publication Type: Journal Article ISSN: 0032-5791 Standard No.: 10.3382/ps.0510547 doi Subjects--Topical Terms: Amino Acids--metabolismAnimal FeedAnimalsChickens--metabolismDietary Proteins--metabolismEggsFemaleFish ProductsLysine--metabolismMethionine--metabolismNutritional RequirementsTriticumZea mays