The breeds of the three dogs euthanised after mauling a four-year-old boy to death in Bay of Plenty have been made public

Timothy Tu'uaki Rolleston-Bryan died from his injuries in Katikati on Friday afternoon.

A Western Bay of Plenty District Council spokesperson says they've identified the dogs as an American bulldog cross, border collie - mastiff cross and a Staffordshire bull terrier - border collie cross.

None of the dogs was registered, and none is classified as menacing under the Dog Control Act.