Dogo Sardo (Dogo Sardesco, Cane Sardo, Sardinian Shepherd Dog or Sardinian Doge) It is a breed of dog of Italian origin used as a watchdog of properties, livestock guardian dog, combat and working dog, in general.. >. It is a rare breed and quite unknown outside Italy, the Dogo Sardo was developed in the villages of Sardinia as a dog trotting type suitable for all types of work.