Unless the context requires otherwise, as used in sections 267.560 to 267.660 , the following terms mean:
(1) "Accredited approved veterinarian" , a veterinarian who has been accredited by the United States Department of Agriculture and approved by the state department of agriculture and who is duly licensed under the laws of Missouri to engage in the practice of veterinary medicine, or a veterinarian domiciled and practicing veterinary medicine in a state other than Missouri, duly licensed under laws of the state in which he resides, accredited by the United States Department of Agriculture, and approved by the chief livestock sanitary official of that state;
(2) "Animal" , an animal of the equine, bovine, porcine, ovine, caprine, or species domesticated or semidomesticated;
(3) "Approved laboratory" , a laboratory approved by the department;
(4) "Approved vaccine" or "bacterin" , a vaccine or bacterin produced under the license of the United States Department of Agriculture and approved by the department for the immunization of animals against infectious and contagious disease;
(5) "Bird" , a bird of the avian species;
(6) "Certified free herd" , a herd of cattle, swine, goats or a flock of sheep or birds which has met the requirements and the conditions set forth in sections 267.560 to 267.660 and as required by the department and as recommended by the United States Department of Agriculture, and for such status for a specific disease and for a herd of cattle, swine, goats or flock of sheep or birds in another state which has met those minimum requirements and conditions under the supervision of the livestock sanitary authority of the state in which said animals or birds are domiciled, and as recommended by the United States Department of Agriculture for such status for a specific disease;
(7) "Condition" , upon examination of any animal or bird in this state by the state veterinarian or his or her duly authorized representative, the findings of which indicate the presence or suspected presence of a toxin in such animal or bird that warrants further examination or observation for confirmation of the presence or nonpresence of such toxin;
(8) "Department" or "department of agriculture" , the department of agriculture of the state of Missouri, and when by this law the said department of agriculture is charged to perform a duty, it shall be understood to authorize the performance of such duty by the director of agriculture of the state of Missouri, or by the state veterinarian of the state of Missouri or his duly authorized deputies acting under the supervision of the director of agriculture;
(9) "Holding period" , restriction of movement of animals or birds into or out of a premise under such terms and conditions as may be designated by order of the state veterinarian or his or her duly authorized representative prior to confirmation of a contagious disease or condition;
(10) "Infected animal" or "infected bird" , an animal or bird which shows a positive reaction to any recognized serological test or growth on culture or any other recognized test for the detection of any disease of livestock or poultry as approved by the department or when clinical symptoms and history justifies designating such animal or bird as being infected with a contagious or infectious disease;
(11) "Isolated" or "isolation" , a condition in which animals or birds are quarantined to a certain designated premises and quarantined separately and apart from any other animals or birds on adjacent premises;
(12) "Licensed market" , a market as defined and licensed under chapter 277 ;
(13) "Livestock" , horses, cattle, swine, sheep, goats, ratite birds including but not limited to ostrich and emu, aquatic products as defined in section 277.024 , llamas, alpaca, buffalo, bison, elk documented as obtained from a legal source and not from the wild and raised in confinement for human consumption or animal husbandry, poultry and other domesticated animals or birds;
(14) "Official health certificate" is a legal record covering the requirements of the state of Missouri executed on an official form of the standard size from the state of origin and approved by the proper livestock sanitary official of the state of origin or an equivalent form provided by the United States Department of Agriculture and issued by an approved, accredited, licensed, graduate veterinarian;
(15) "Public stockyards" , any public stockyards located within the state of Missouri and subject to regulations of the United States Department of Agriculture or the Missouri department of agriculture;
(16) "Quarantine" , a condition in which an animal or bird of any species is restricted in movement to a particular premises under such terms and conditions as may be designated by order of the state veterinarian or his duly authorized deputies;
(17) "Traders" or "dealers" , any person, firm or corporation engaged in the business of buying, selling or exchange of livestock on any basis other than on a commission basis at any sale pen, concentration point, farm, truck or other conveyance including persons, firms or corporations employed as an agent of the vendor or purchaser excluding public stockyards under federal supervision or markets licensed under sections 267.560 to 267.660 and under the supervision of the department, breed association sales or any private farm sale.