Annual R.O.P. and performance test summary, 1959-1960
Series: ARS 44 -- 7; ARS 44 -- 7.
Publisher: United States Department of Agriculture, Agricultural Research Service
Published: 1961
Place of publication: [Washington, D.C.]
Language: eng
Subjects: Poultry; Statistics; Breeding; National Poultry Improvement Plan (U.S.)
Other titles: Annual ROP and performance test summary, 1959-1960
Notes: Cover title.

"August 1961."

"Cooperating in the National Poultry Improvement Plan."