The right hon. Gentleman makes his point. They are different: as far as animals are concerned, we cannot run trials; we can only take a view on how the medicine or treatment is working. I put it to the right hon. Gentleman that farmers are not so foolish as to spend a lot of money on something that does not work. They see it working over a long period of time.
I have an informal arrangement with the Minister to give him the full time of a quarter of an hour to respond. In the past, I have noticed that colleagues can run away with themselves, leaving only five minutes for the Minister, who says that they do not have enough time to speak. This Minister will have lots of time to speak.