Milk and butterfat production by dairy cows on four different planes of feeding
By: by R. R. Graves ... [et al.].
Contributors: Graves, R. R.; United States. Dept. of Agriculture.
Series: Technical bulletin / United States Department of Agriculture -- no. 724; Technical bulletin (United States. Dept. of Agriculture) -- no. 724.
Publisher: U.S. Dept. of Agriculture
Published: 1940
Place of publication: Washington, D.C
Language: eng
Number of pages: 36
Subjects: Dairy cattle -- Feeding and feeds -- Research; Milk yield -- Research
Notes: Caption title.

"April 1940."

Includes bibliographical references.