Economics of reproductive performance and breeding herd management
By: authors, Emmett Stevermer, Wayne Singleton, Al Mueller ; ; reviewers, John Chalmers, Richard Fowler.
Series: Pork industry handbook; Extension mimeo -- 4138.; Extension mimeo (Washington State University. Cooperative Extension Service) -- 4138.
Publisher: Cooperative Extension Service, College of Agriculture, Washington State University
Published: 1978
Place of publication: [Pullman
Language: eng
Subjects: Swine -- Economic aspects; Pork industry and trade
Notes: Caption title.

"EM 4138, July 1978"--P. [1].