Experiments in breeding Holstein-Friesian cattle for milk- and butterfat-producing ability, and an analysis of the foundation cows and of the first out-bred generation
By: by M. H. Fohrman and R. R. Graves.
Contributors: Graves, R. R.; United States. Dept. of Agriculture.
Series: Technical bulletin / United States Department of Agriculture -- no. 677; Technical bulletin (United States. Dept. of Agriculture) -- no. 677.
Publisher: U.S. Dept. of Agriculture
Published: 1939
Place of publication: Washington, D.C
Language: eng
Number of pages: 82
Subjects: Holstein-Friesian cattle -- Breeding; Dairy cattle -- Breeding
Notes: "April 1939."

Includes bibliographical references.