Nah, there's some truth in what he's saying. There's some dodgy gene that CAN but doesn't always come out in silvers (think it's just the badger marked animals), that in summary means they aren't all there. Bred 2 such creatures 10-15 years ago, from a top silver Jill, to a top of the range albino hob, both kits used to go to sleep in burrows, then at the age of probably 2 they became nippy, and by the age of 3 they looked as if they'd had strokes and subsequently died, some of the non silver litter mates were quality animals, and stopped until dug to. There's a great article some where of fer