The choice of dog training methods has significant welfare implications, with evidence consistently demonstrating that positive reinforcement approaches produce better welfare outcomes than aversive methods.
Training method choice directly determines how much fear, pain, and anxiety dogs experience during and after training sessions. Aversive training tools including shock collars, prong collars, and alpha rolls cause pain and fear that undermines the dog-human relationship and creates lasting psychological harm. Dogs trained with punishment-based methods show higher levels of stress behaviors, aggression, and anxiety than those trained with positive reinforcement. The welfare case against aversive training is now well-supported by evidence, and the professional veterinary and behavioral science consensus is clear. Choosing positive reinforcement-based training is a welfare decision that benefits dogs throughout their lives.