Influence of type of hog on production efficiency
By: by J.H. Zeller and H.O. Hetzer
Contributors: Hetzer, H. O. (Herbert Ottmar), 1905-
Series: Circular / United States Department of Agriculture -- no. 698; Circular (United States. Dept. of Agriculture) -- no. 698.
Publisher: U.S. Dept. of Agriculture
Published: 1944
Place of publication: Washington, D.C
Language: eng
Number of pages: 16
Notes: Caption title.

Bibliography: p. 16.