1. When in the opinion of the state veterinarian the quarantine of an area is essential to

(1) Confine an outbreak of a highly contagious and communicable disease affecting livestock, animals or birds as defined in sections 267.560 to 267.660; or

(2) When necessary for the initiation and enforcement of control measures for testing or vaccination of livestock, animals or birds within the area; or

(3) For the slaughter of exposed and infected animals; or

(4) When necessary to conform with federal regulations in effect for the cooperative control and eradication of the disease; or

(5) When necessary in order to avoid embargo against the movement of livestock out of the free areas within the state into other states;

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and the state veterinarian so notifies the director of agriculture of such fact, the director of agriculture or the state veterinarian acting for the director of agriculture with the approval of the governor, may order the area quarantined. Such order shall set forth the terms and conditions that are to be met by the owner of livestock within areas affected by the order.

2. The notice of an order of quarantine against the movement of animals or birds from the area shall be publicized in the newspapers and radios serving the area.

3. The department shall have the authority to designate the type and kind of immunizing agent or tests that are to be applied for the control and eradication of the disease and to prohibit the use, by anyone, of those immunizing agents which in the judgment of the state veterinarian may not effectively and expeditiously bring about the control of the disease.

4. When in the judgment of the state veterinarian the movement of livestock as defined in sections 267.560 to 267.660 from an area or section within another state favors the introduction of disease into Missouri and it is known that the livestock sanitary officials of the state have not quarantined the area or are not controlling the movement of the livestock out of such areas, the director of agriculture, upon notice of such fact from the state veterinarian of Missouri, may impose restrictions or full embargo against the movement of any and all livestock from such areas within another state until the movement of livestock therefrom and into Missouri no longer favors the introduction of the disease.

5. An order setting forth the restrictions or complete embargo against the movement of livestock from an area within another state or from the entire state shall be effective upon notice in writing or by telegram to the livestock sanitary official of the state affected.

6. All public stockyards and other markets including traders and dealers, licensed to operate in Missouri, shall cooperate with the department when a quarantine is imposed upon an area within Missouri or restrictions are invoked against the entry of livestock from specified areas in other states.