We don't have pets, and I don't often have occasion to contribute to these threads, but when I was a kid we had a cat who was run over by a car (it used to play a game of 'chicken' - crouching under a parked vehicle and dashing out at the last instant).
Its leg was crushed, several compound fractures and nearly amputated. The vet's first report was unpromising: amputate or put the creature down. But my father pleaded with him, and he then agreed to try setting the bones.
I never learnt how he pulled off the miracle, but a week or two later my father drove us down to the vet's, the vet brought up a plastic crate and opened it, and there was our cat looking very drawn and disconsolate, plaster cast encasing one leg, but otherwise complete! We had to confine it to a tea-chest for several weeks and provide a litter tray: the main problem was that the cat had grown out of litter-trays and the chest became increasingly insanitary. And on one occasion it escaped and somehow managed to clamber out of an open fan-light: we found it in the garden, looking rather pleased with itself, plaster cast and all.
But it recovered. It was troubled by arthritis in the damaged leg, ever after. But it went on to live another 11 years or so.
