USDA-DHIA sire summary list, May 1971
Subtitle: Ayrshire, Guernsey, Holstein, Jersey, Brown Swiss, Milking Shorthorn, and mixed breed sires
Contributors: Dairy Herd Improvement Association
Series: ARS 44 -- 231; ARS 44 -- 231.
Publisher: Agricultural Research Service, U.S. Department of Agriculture
Published: 1971
Place of publication: [Washington, D.C.]
Language: eng
Number of pages: 376
Subjects: Bulls; Pedigrees; Dairy cattle; Ayrshire cattle; Holstein-Friesian cattle; Guernsey cattle; Jersey cattle; Brown Swiss cattle; Milking Shorthorn cattle
Other titles: United States Department of Agriculture-Dairy Herd Improvement Association sire summary list, May 1971 :
Notes: Cover title.

"July 1971."