25.—(1) The appropriate authority must keep in place a surveillance zone for at least the following periods—
(a)in the case of African swine fever, 40 days (but if an intensive testing programme has been carried out then 20 days),
(b)in the case of classical swine fever, 20 days, or
(c)in the case of swine vesicular disease, 28 days,
after pigs from infected premises have been killed and until such cleansing and disinfection as the Chief Veterinary Officer considers sufficient has been carried out on those premises.
(2) The appropriate authority must keep in place a protection zone for at least the following periods—
(a)in the case of African swine fever, 45 days (but if an intensive testing programme has been carried out then 30 days),
(b)in the case of classical swine fever, 30 days, or
(c)in the case of swine vesicular disease, 28 days,
after pigs from infected premises have been killed and until such cleansing and disinfection as the Chief Veterinary Officer considers sufficient has been carried out on those premises.
(3) In this regulation “intensive testing programme” means testing for African swine fever in accordance with sections F and G of Chapter IV of the Diagnostic Manual(1).
Commission Decision 2003/422/EC, approving an African swine fever Diagnostic Manual (OJ No L 143, 11.6.2003, p.5).