Crossbreeding programs for commercial pork production
By: authors, Charles J. Christians, Rodger K. Johnson ; reviewers, Pete Clark, Kenneth Drewry, Irvin Omtvedt
Contributors: Johnson, Rodger K.; Washington State University. Cooperative Extension Service; United States. Department of Agriculture
Series: Pork industry handbook. Breeding & genetics; EM -- 4131; Pork industry handbook; Extension mimeo (Washington State University. Cooperative Extension Service) -- 4131.
Publisher: [Cooperative Extension Service, College of Agriculture, Washington State University]
Published: 1978
Place of publication: Pullman, Wash.]
Language: eng
Subjects: Boars; Selection; Genetics; Swine; Sows; Breeding; Pork industry and trade
Other titles: Cross breeding programs for commercial pork production
Notes: Caption title.

"January 1978."

Issued in cooperation with U.S. Dept. of Agriculture.