I know I'll probably sound like a bit of a wuss, but the options suggested that I actually kill a rat in hand-to-hand combat aren't really my cup of tea. As for the barrel of squealing rats, I blanched at the thought of having to empty the rat soup afterwards

We have an orchard around the house and I think the old windfalls attract them because it always seems to be winter/spring when they visit (less food I suppose). This year I'm just going to have to turn ALL the apples into cider

Good job I don't have any livestock because they'd die of old age if I had to do the killing!