A study of vitamin B12 requirements for laying pullets and their progeny
Published: 1950
Language: eng
Number of pages: 82
Subjects: Vitamins.; Poultry -- Feeding and feeding stuffs.
Other titles: Vitamin B12 requirements for laying pullets and their progeny.
Notes: Bibliography: leaves 74-81.
Thesis--University of Maryland.
Typescript.
Vita.