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Mr Paterson: I was going to come on to deal with that question but I will touch on it now. Clearly, an effective badger vaccine has a valuable role to play, once the disease is under control. I have discussed this at length in the Republic of Ireland, where they have got the disease well on the way down. Once it can be got to those really low levels—this answers the question from the hon. Member for Cardiff South and Penarth (Stephen Doughty)—there is a definitely a role for a badger vaccine. There is no question about that, but the vaccine has to work.

My worry—I am jumping ahead a bit in respect of Wales here—is that at the moment there is nothing to be gained by vaccinating a diseased animal. Such an animal can continue to be a super-excreter and can continue to spread disease. That is the problem I have with the Welsh experiment. We are very interested in it and we will watch it carefully, but from my travels—I was particularly struck by the Irish experience, and they have done a lot of work on this—I know that the lesson is, “You have to get the disease down to a certain level to get healthy badgers, and then you protect them.” We all want to see healthy badgers living alongside healthy cattle, and the real lesson from Ireland is that the average badger there is now 1 kg heavier than before the cull was begun there. So the Irish have achieved where we want to go; they are getting a healthy badger population, which is exactly what we want, but that is the point at which vaccinations can be deployed. I am not entirely convinced that the Welsh Government are on the right track—I think they are going in too early, because they have not got a grip on the disease—but we wish them well.

Sadly, vaccination is incredibly expensive. The cost of vaccination in Wales stands at £662 per badger or £3,900 per square kilometre per year. Even if the practical difficulties could be addressed, we know that a large-scale programme of badger vaccination would take longer to achieve disease control benefits compared with a programme of culling on a similar scale.

Andrew Stunell (Hazel Grove) (LD): May I draw the Secretary of State’s attention to one area of healthy badgers, just to draw on his point about vaccination? Cheshire is on the frontier in terms of the disease spreading north. I am working closely with Cheshire Wildlife Trust and the National Farmers Union to see whether there is the possibility of having a vaccinated band of badgers across Cheshire to prevent that northern spread. Will he work with those two organisations and me to see what can be practically achieved?

Mr Paterson: I am grateful to my right hon. Friend for that useful question. I know that he is already talking to my hon. Friend the Minister of State about it. It is certainly worth examining the approach of creating rings, but the lesson from other countries is that we have really got to get the disease reservoir down first and then we can create a band. The problem is that with the level of disease we are talking about we cannot gain an advantage by vaccinating a diseased animal that is already a super-excreter—it can go on excreting disease in huge volumes. Another of my questions revealed that 1 ml of badger urine produces 300,000 colony forming units of disease, and it takes very few—a single number of those—to infect a cattle by aspiration. Such an approach will not have the effect, so what my right hon. Friend is talking about is well worth looking at, but in parallel with that we have to get the disease down.