(510 ILCS 30/1.4) (from Ch. 8, par. 134.4)
Sec. 1.4.
"Ring test" means the abortus brucella ring test, the same being a diagnostic test of milk or cream to detect the presence of brucellosis in the herd in which such milk or cream was produced.
(Source: Laws 1959, p. 2257.)