A method of calculating economical balanced rations
By: by J.C. Rundles
Series: Bulletin / United States Department of Agriculture -- no. 637; Bulletin of the U.S. Department of Agriculture -- no. 637.
Publisher: U.S. Dept. of Agriculture
Published: 1918
Place of publication: Washington, D.C
Language: eng
Number of pages: 19
Subjects: Animal nutrition; Feeds
Notes: Caption title.

"January 14, 1918."