Some results of inbreeding grade Guernsey and grade Holstein-Friesian cattle
By: by T.E. Woodward and R.R. Graves.
Contributors: Graves, R. R.; United States. Dept. of Agriculture.
Series: Technical bulletin / United States Department of Agriculture -- no. 339; Technical bulletin (United States. Dept. of Agriculture) -- no. 339.
Publisher: U.S. Dept. of Agriculture
Published: 1933
Place of publication: Washington
Language: eng
Number of pages: 32
Subjects: Dairy cattle -- Breeding.
Notes: Caption title.