National listing of validated brucellosis-free herds
Edition: Rev. Jun. 1964
Series: ARS -- 91-43-1; ARS (Series) (United States. Agricultural Research Service) -- 91-43-1
Publisher: U.S. Dept. of Agriculture, Agricultrual Research Service
Published: 1964
Place of publication: [Washington, D.C.?]
Language: eng
Number of pages: 53
Subjects: Brucellosis