Preventing and controlling internal parasites of hogs.
Edition: [Slightly rev.
Series: Farmers' bulletin no. 2240; Farmers' bulletin (United States. Dept. of Agriculture) ;; no. 2240.
Publisher: U.S. Dept. of Agriculture; [for sale by the Supt. of Docs., U.S. Govt. Print. Off.
Published: 1970
Place of publication: Washington]
Language: eng
Number of pages: 35
Subjects: Swine -- Parasites.; Veterinary parasitology.