Synopsis As Introduced Amends the Illinois Bovine Brucellosis Eradication Act. Provides that an animal with a positive reaction to a test for brucellosis must be reviewed by a designated brucellosis epidemiologist, or another State and federally approved designee, before the animal may be classified as an "infected animal" or "reactor". Defines "designated brucellosis epidemiologist". Provides that animals with a positive result to an official brucellosis test at livestock markets may be slaughtered or returned to the herd of origin only by permit and under quarantine for further evaluation. Effective immediately.