(1) “Department” means the Michigan department of agriculture.

    (2) “Differential test” means an official test approved by the director designed to distinguish swine which are positive for pseudorabies field strain virus associated antibodies from swine that have antibodies due to vaccination with a differential vaccine.

    (3) “Differential vaccine” is a veterinary biological approved by the director which produces a pseudorabies antibody response that can be differentiated from the field strain virus antibody response by a differential test.

    (4) “Direct movement” means transfer of swine to a destination without unloading the swine en route and without exposure to any other livestock.

    (5) “Director” means the director of the Michigan department of agriculture or his or her authorized representative.

    (6) “Domestic animal” means any species of animal living under the husbandry of man.

    (7) “Exposed swine” means any swine that has been in contact with an animal infected with pseudorabies or brucellosis, including all swine from a known infected herd or any swine moved into a livestock auction market.

    (8) “Feeder pig” means immature swine weighing less than 120 pounds intended for feeding to market age and weight for slaughter. Feeder pig does not include intact boars, post-parturient females, animals kept, sold, or offered for sale, for breeding, as companion animals, or for research.

    (9) “Feeder pig monitored herd” means a swine breeding herd that has been sampled and tested negative by an official pseudorabies serologic test on the following schedule: 10 head—test all, 11 – 35 head—test 10, 36 or more—test 30% or 30, whichever is less or according to a schedule as prescribed by the director. Breeding herds in regions recognized as stage III of the pseudorabies eradication program by the United States department of agriculture, animal and plant health inspection service, veterinary services, or in an equivalent low prevalence area as determined by the director are considered feeder pig monitored herds.

    (10) “Feedlot” means a premises used only to feed livestock in preparation for slaughter.

    (11) “Feral swine” means swine which have lived any part of their life as free-roaming and not under the husbandry of man.