Stamping out hog cholera
Series: U.S. Dept. of Agriculture. PA-928; Program aid (United States. Department of Agriculture) -- 928.
Publisher: U.S. Govt. Print. Off.
Published: 1969
Place of publication: Washington
Language: eng
Notes: Supersedes What you should know about hog cholera, issued as PA-577, 1966 and Questions and answers about eradicating hog cholera, issued as PA-628, 1966. Issued Oct. 1969.