Training equipment including prong collars, choke chains, and electronic shock collars cause pain and fear. Evidence supports positive reinforcement as both more effective and more welfare-appropriate.
Aversive training equipment causes direct welfare harm through pain, fear, and chronic stress. Prong collars apply sharp pressure points to the neck — discomfort that suppresses behavior through avoidance of pain. Choke chains can cause tracheal damage and pain. Electronic shock collars administer painful stimuli remotely, which can become associated not with specific behaviors but with the general training context, causing widespread anxiety. Beyond the direct harm, training relationships built on pain and fear damage the dog-human bond. Positive reinforcement training using rewards creates learning motivated by positive emotion, producing dogs that are confident, willing, and well-bonded to their handlers. The welfare case for positive training is supported by both scientific evidence and ethical reasoning.