Lewis, Roscoe Warfield.2015-12-312015-12-311952http://hdl.handle.net/2097/24788Call number: LD2668 .T4 1952 L48Antibiotics in animal nutrition.Vitamin B??.Poultry--Feeding and feeds.Adaptation of antibiotic and vitamin B₁₂ feeding supplements to chick dietsTextMasters theses