3.Disinfection of contaminated bedding, manure and slurry:U.K.
(a)
manure and used bedding are to be stacked to heat, sprayed with disinfectant and left for at least 42 days or destroyed by burning or burying;
(b)
slurry is to be stored for at least 42 days after the last addition of infective material, unless the competent authorities authorise a reduced storage period for slurry which was actually treated in accordance with the instructions given by the official veterinarian so as to ensure the destruction of the virus.