External parasite control
By: authors, James McKean, Jerry DeWitt ; reviewers, Merlin Dennis, Dean K. McBride
Contributors: DeWitt, Jerry; United States. Department of Agriculture. Office of Governmental and Public Affairs
Series: Fact sheet, swine health -- AFS-3-8-4; Fact sheet (United States. Department of Agriculture) -- AFS-3-8-4.
Publisher: U.S. Dept. of Agriculture, Office of Governmental and Public Affairs
Published: 1981
Place of publication: [Washington, D.C.]
Language: eng
Subjects: Parasites; Diseases; Swine
Notes: Caption title.

"Issued March 1981"--Page [4].