Unless the context otherwise requires, the definitions in this article govern the construction of this chapter.

“Accredited herd” means a herd of cattle for which the owner holds a valid certificate of accreditation issued to him by the United States Department of Agriculture and the department.

“Approved veterinarian” means a veterinarian who has been granted permission by the department to buy, possess, or use tuberculin.

“Bovine animals” means cattle.

“State TB status” means an area so declared by the United States Department of Agriculture.

“Premises” means any place where cattle have been or are kept.

“Purebred animal” means an animal which is identified in the herd book of a breed record association that is recognized by the United States Department of Agriculture.

“Reactor” or “reacting bovine animal” means any bovine animal that reacts positively to a tuberculosis test or that is determined to be tuberculosis upon examination.

“Tuberculosis test” means the use of an official test for diagnosing tuberculosis in cattle.

“Tuberculosis control area” means an area which is established and delimited as such by proclamation of the department.

“Tuberculosis-exposed cattle” means cattle that have been in contact with, or exposed to, any reactor or tuberculosis infected premises, or any tuberculosis infected material.