The USDA-DHIA modified contemporary comparison
Subtitle: sire summary and cow index procedures
By: [F.N. Dickinson, R.L. Powell, and H.D. Norman]
Contributors: Powell, Rex Lynn; Norman, Howard Duane
Series: Production research report -- no. 165
Publisher: Agricultural Research Service, U.S. Dept. of Agriculture
Published: 1976
Place of publication: Washington, D.C
Language: eng
Number of pages: 70
Subjects: Breeding; Cattle
Notes: Cover title.

Includes bibliographical references.