When it comes to training badly behaved dogs, treats and rewards produce better and quicker results than electric shock collars
Source:
https://www.newscientist.com/article/2251578-treats-are-better-than-electric-shocks-for-training-badly-behaved-dogs/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home