Not that it is advised but is it legal to live feed?
Bit of a grey area I think, my understanding is that it's legal as long as it's done as a last resort and for the good of the snake (i.e. the snake will die from starvation if it is not fed live), thereby preventing unnecessary suffering of the snake. It is not legal if done just for the sake of it, since it causes unnecessary suffering to the prey item if the snake will take pre-killed.