The relative efficiency of spayed, open, and bred heifers in the feed lot
By: G.H. Hart, H.R. Guilbert, and H.H. Cole
Contributors: Guilbert, H. R. (Harold Reed), 1897-1952; Cole, H. H. (Harold Harrison), 1897-1978
Series: Bulletin -- no. 645; Bulletin (California Agricultural Experiment Station) -- 645.
Publisher: Agricultural Experiment Station
Published: 1940
Place of publication: Berkeley, Cal
Language: eng
Number of pages: 19
Subjects: Feed utilization efficiency; Heifers
Notes: Cover title.

Includes bibliographical references.