Okla. Stat. tit. 2, § 2-6-95: Brucellosis Milk Surveillance test

The Brucellosis Milk Surveillance test made with whole milk or

cream and an approved antigen, in a manner and by a person approved

by the United States Department of Agriculture and the State Board

of Agriculture, may be used to indicate the possibility of the

presence of reactors in the herd from which the milk or cream

samples were taken. If the test indicates that reactors may be

present in a herd, the State Veterinarian shall have the authority

to conduct an official test of the herd in order to identify the

reactors.