Swine improvement and certification programs.
Contributors: Washington State University. Cooperative Extension.
Edition: Rev.
Series: Extension mimeo -- 2216.; Extension mimeo (Washington State University. Cooperative Extension) -- 2216.
Publisher: Cooperative Extension, College of Agriculture, Washington State University
Published: 1980
Place of publication: Pullman
Language: eng
Notes: Cover title.

"June 1980."

"EM 2216."