Crossbreeding programs for commercial pork production
By: authors: Charles J. Christians, Rodger K. Johnson.
Contributors: Johnson, Rodger K.
Series: Pork industry handbook; EB -- 1232.; Extension bulletin (Washington State University. Cooperative Extension) -- 1232.
Publisher: Cooperative Extension, College of Agriculture & Home Economics, Washington State University
Published: 1983
Place of publication: Pullman, Wash
Language: eng
Subjects: Swine -- Breeding
Notes: Caption title.

"Reprinted from EM 4131. October 1983"--P. 6.