Hold on a minute, blue has penacillin in it so i was thinking it mite not do you dog any harm, so dont go talking shite
your right mate it does have penicillin in it but not all molds are equal,some molds can cause muscle spasms or tremors,seizures and even death,mold on dairy products are pretty bad for this, and dogs much like humans can suffer allergic reactions to penicillin,so feeding moldy bread to a dog with this allergy could result in it going into anaphylactic shock, if your dog does a little bin raiding an eats a bit of moldy bread,im sure he'l come to no harm but to regularly f