You don't. You're going to make a beagle carry and birth St. Bernard puppies? That's cruel. 100% chance of a c-section. Or you're going to have a St. Bernard have beagle puppies? With all the genetic problems of both? Why? Not to mention a St. Bernard penis is significantly bigger than a beagles…. read more
Labs will always behave like Labs. The dogs you described — Saint Bernard, Dane, Rottie, Beagle — they are different, quieter dogs (Beagles can be a bit crazy but most of the ones I met were like they were extremely mellow). read more