Micro chipping will NOT stop a dog from biting..but yes, it will ID theowner.

My grandson was bitten on the cheek (well, more of a slash, really) in the same room as the dogs owner and his mother.

Grandson had been poking the dog, pulling ears,tail, etc...(Border Collie). He was told to stop by his mother....and the dog was giving 'warning signals'. Owner put the dog outside.

Later, let the dog back in..and the FIRST thing grandson did was pull an ear...dog whipped around and caught his cheek with a canine tooth.

They came over here after leaving the hospital, and I said well, O, what did you do to the dog? I pulled his ear.

And did you learn anything? Yes ma'm. Don't tease dogs.
I think he was 2 at the time?

He was also 'trying' to be afraid of his own dog....his mum and I put a quick stop to that!

It's just all in the Situation, the kid, the dog....

My thought is still...gee, a mastiff in the same room with an 18 month old? Both loose?