The National poultry improvement plan
By: prepared by specialists of the Bureau of Animal Industry
Edition: Rev. June 1941.
Series: Miscellaneous publication / United States Department of Agriculture -- no. 300; Miscellaneous publication (United States. Dept. of Agriculture) -- no. 300.
Publisher: U.S. Dept. of Agriculture
Published: 1941
Place of publication: Washington, D.C
Language: eng
Number of pages: 28
Subjects: Poultry; Breeding; Law and legislation; Poultry industry
Notes: Caption title.

"Issued January 1938."

"In cooperation with poultry leaders, poultry breeders, and members of the breeder and commercial hatchery industry."