I do not say that a cull will have no effect; of course it will have an effect. Killing any of the species that carry TB -- not just badgers but including cattle -- will have an effect, but it will not solve the problem. Indeed, killing every badger will not eradicate bovine TB. I hope that the step proposed by the hon. Gentleman will not prove necessary in years to come, given the work that is being done on the biology, because I believe we can move closer to eradication by investing the huge sums that we are discussing in research programmes aimed at establishing a vaccination regime. There is a chicken and egg argument and a serious challenge facing us. My concern is that the House is not taking the issue of zoonotic conditions seriously enough. We must take a much more mature view on the inevitable consequences of the greater mobility of people and of animals in the food chain while they are alive; otherwise, we shall be dealing with not only bovine TB but other conditions. I hope that when Ministers press the Treasury on the comprehensive spending view they will pass on the message that, without sensible investment, we will have this debate time and again and that, even if all badgers were culled, farmers would still be disadvantaged by this dreadful disease. It is easy to criticise one side or the other of the argument, but even DEFRA 's nine-point summary states: "If culling