Big enough that when the cousin he was with returned with adult help, the sow had shredded all of his clothes and he had bites all over his body.

The largest domestic breeds push up to 300 to 400 kilos. We had one free-range pig on our farm that was certainly over a quarter-tonne, and she was agile enough that she'd occasionally run down chickens and eat them, and jaws strong enough to chew up cow skulls left over from home-kill.

Pigs are generally smart and friendly if they haven't been mistreated. I would not want to mess with one.

As a kid I briefly lived in a rented trailer on a smallish farm which grew mustard greens and raised hogs. The owner was missing half an ear, taken by a hog. At least, that was the story he told when he caught me one day about to stick my hand into the hog pen. True account or not, the lesson is true all the same: hogs eat people, and angry or hungry hogs are not to be trifled with.