 Does a Deaf and Blind Dog Need a Hearing Dog Buddy? BARKS from the Guildbarkingblind dogcommunicationcuedeaf dogDog BehaviorDog BehaviourDog TrainingDogsdouble merledouble merle sheltie doubleforce-free trainingholistic dog trainingmerlemulti dog householdpositive reinforcementpuppy trainingsignaltraining Animal Abuse Harms People TooAdded Brainpower! 