Improving poultry through the National Poultry Improvement Plan
By: [by Paul B. Zumbro, Melvin W. Buster, and J.D. Sykes]
Contributors: Buster, Melvin W. (Melvin Wright), 1894-1991; Sykes, J. D. (John Douglas), 1902-
Edition: Slightly rev. Dec. 1939.
Series: Miscellaneous publication / United States Department of Agriculture -- no. 317; Miscellaneous publication (United States. Dept. of Agriculture) -- no. 317.
Publisher: U.S.D.A.
Published: 1939
Place of publication: Washington, D.C
Language: eng
Subjects: Poultry breeds; Research; Poultry; Diseases
Notes: "Issued July 1938."