All birds on infected premises are slaughtered, and carcasses, eggs, feeding stuffs and manure are either buried or burned. Thorough cleansing and disinfection are carried out and adjoining farms are put under strict movement control and veterinary supervision. In addition, a policy of ring vaccination around infected farms was introduced on 29th November and further movement controls were imposed.
I do not think that it will have much effect. We must get the figures correct. Out of about 13 million birds, only 260,000 are infected, so there will not be the serious effect that my hon. Friend might imagine.
The source of infection is not known. My hon. Friend suggests that it may have been deliberate. That might be one of many reasons, but investigations are continuing and we shall get to the bottom of this outbreak.
No, there has been no outcome to the inquiries but we are looking into this matter most carefully because we have to find the reason why it spread so rapidly and why it was so virulent.