African swine fever : an expanding threat to American hogs.

Bibliographic Details

Corporate Author:	United States. Animal and Plant Health Inspection Service. Veterinary Services
Format:	Government Document Book
Language:	English
Published:	[Washington] : Dept. of Agriculture, [Animal and Plant Health Inspection Service, Veterinary Services], [1980]
Edition:	[Rev. June 1979, slightly rev. June 1980.].
Series:	Program aid (United States. Department of Agriculture) ; no. 817.
Subjects:	African swine fever.