Preventing and controlling internal parasites of hogs
By: prepared by Agricultural Research Service
Edition: [Rev. Dec. 1977.]
Series: Farmers' bulletin ; no. 2240; Farmers' bulletin (United States. Dept. of Agriculture) -- no. 2240
Publisher: Dept. of Agriculture : for sale by the Supt. of Docs., U.S. Govt. Print. Off.
Published: 1977
Place of publication: [Washington]
Language: eng
Number of pages: 36
Subjects: Swine -- Diseases -- United States.; Helminths -- United States