[quote=Guess Who]
But it is a dead body, meaning there would still be at least some decay. I think her post still holds some logic to it.
[/quote]

No, I think what Oscario means is that walkers wouldn't 'die' from a broken neck, even if you decapitate their heads, the head still keeps going. They'll probably just keep coming but with a severely floppy neck and paralysis in certain areas of the body, even so, they'd still be able to bite.