Washington State Porkettes Pork Demonstration Program.
Series: Extension mimeo -- 4531.; Extension mimeo (Washington State University. Cooperative Extension Service) -- 4531.
Publisher: Cooperative Extension Service, College of Agriculture, Washington State University
Published: 1980
Place of publication: [Pullman
Language: eng
Notes: Caption title.

"January 1980"--P. [1].

"EM 4531"--P. [1].