Testing cows for production every other month
By: by J.C. McDowell
Series: Circular / United States Department of Agriculture -- no. 1; Circular (United States. Dept. of Agriculture) -- no. 1.
Publisher: U.S. Dept. of Agriculture
Published: 1927
Place of publication: Washington, D.C
Language: eng
Subjects: Dairy cattle; Testing; Milk yield
Notes: Caption title.

"Contribution from Bureau of Dairy Industry."