Supplement to hatcheries and dealers participating in the National Poultry Improvement Plan
Edition: Revised.
Series: ARS 53 -- 6; ARS 53 -- 6.
Publisher: U.S. Dept. of Agriculture, Agricultural Research Service
Published: 1957
Place of publication: [Washington, D.C.?]
Language: eng
Subjects: Pullorum disease; Poultry; Diseases; National Poultry Improvement Plan (U.S.)
Other titles: Hatcheries and dealers participating in the National Poultry Improvement Plan, Second supplement (Rev. 1957)
Notes: Caption title.

At head of title: Second supplement to ARS 53-6 (Rev. 1957).

"Issued February 21, 1957"--Page 1.