17.—(1) This regulation applies where premises are infected premises or where tests under regulation 14 indicate the existence of African horse sickness virus in a horse or carcase at a slaughterhouse.
(2) The Department may declare a control zone and in addition may declare a protection zone or surveillance zone around the infected premises or the slaughterhouse (as the case may be).
(3) The control zone shall have a radius of at least 20 kilometres, the protection zone shall have a radius of at least 100 kilometres and the surveillance zone shall have a radius of at least 150 kilometres, each centred on the part of the premises that the Department considers most appropriate for disease control.
(4) The Department shall ensure that within these zones—
(a)premises that contain horses are identified as soon as practicable.
(b)a veterinary inspector visits in a systematic way all such premises, and—
(i)inspects and as necessary examines the horses; and
(ii)collects and tests such samples as the veterinary inspector considers necessary.
(5) Schedule 1 sets out measures that apply to premises situated in a control zone and Schedule 2 sets out measures that apply in a protection zone and in a surveillance zone.
(6) When the control zone is revoked, the measures in Schedule 1 cease to have effect, except for the purposes of paragraph 1(4)(a) of that Schedule.
(7) The Department may declare that any other measure considered necessary to reduce the risk of the spread of African horse sickness virus, applies in respect of the whole or any part of the control zone, protection zone or surveillance zone.