Supplement to hatcheries and dealers participating in the National Poultry Improvement Plan
Series: ARS -- 53-6 (suppl. 4); ARS 53 -- no. 6.
Publisher: U.S. Dept. of Agriculture, Agricultural Research Service
Published: 1955
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, fourth supplement
Notes: Caption title.

"Fourth supplement to ARS 53-6; issued May 26, 1955."