British bookmaker William Hill is so spooked by rumors of a "super dog" it has stopped taking bets on which breed will win Crufts Best In Show.

William Hill is reported worried because suddenly the previously unfancied category called "utility dog" is now the odds-on favorite in the breed betting. That includes breeds such as bulldogs, miniature poodles and Dalmatians.

The favorite usually comes from far more fancied pastoral, terrier, hound, toy, gun and working dog classes, the Telegraph said.

The show opened Thursday in Birmingham, England.