Miss. Code § 69-15-111
It shall be unlawful for any person or persons, firm or corporation to drive, convey, transport or allow to drift from any state or territory, into this state any livestock except under the supervision and in accordance with the rules and regulations of the Board of Animal Health. Steers may be moved into the state for feeding and grazing purposes under special permit issued by the State Veterinarian.
Livestock shipped, trailed, driven or otherwise transported into this state from other states or territories shall be subject to examinations and tests approved by the Board of Animal Health for the purpose of determining if such animals are free of infectious abortion or bangs disease. Should such animals react to the tests, they shall immediately upon notice to the owner from the board or one (1) of the board's inspectors or veterinarians be returned to the state from which they came, or slaughtered under the supervision and direction of the board. The Board of Animal Health is authorized and empowered to require livestock owners or persons having livestock in charge, affected with, or exposed to infectious abortion, upon notice to assemble or have assembled such livestock at a place and time designated by an inspector or veterinarian of the Board of Animal Health or of the United States Bureau of Animal Industry in order that the proper and necessary tests and examinations can be made. All animals which react to the test for infectious abortion or show marked diagnostic symptoms of infectious abortion shall be quarantined, segregated, isolated or otherwise disposed of under the direction of the Board of Animal Health.
Any person, firm or corporation violating any of the provisions of this section or any of the rules and regulations of the Board of Animal Health shall be deemed in violation of the provisions of this section and shall be subject to the provisions of Sections 69-15-53 through 69-15-69.
Miss. Code § 69-15-111