California's brucellosis vaccination law: Enacted as a public health measure, now in force
California Agriculture 2(1):9-16.
Published January 01, 1948
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California's first law pertaining to the control of bovine brucellosis became effective on January 2, 1948. The vaccination of all female dairy calves with Brucella abortus Strain 19 now is compulsory under the provisions of the new law.