Relation of stable environment to milk production
By: by M.A.R. Kelley and I.W. Rupel.
Contributors: Rupel, I. W. 1900-; United States. Dept. of Agriculture.
Series: Technical bulletin / United States Department of Agriculture -- no. 591; Technical bulletin (United States. Dept. of Agriculture) -- no. 591.
Publisher: U.S. Dept. of Agriculture
Published: 1937
Place of publication: Washington
Language: eng
Number of pages: 60
Subjects: Milk yield.
Notes: Cover title.

Literature cited: p. 44.