Does neutering a dog calm them down?

Although neutered dogs will still lift their leg to urinate, castration reduces marking in 80% of dogs with a marked improvement in 40%. Aggression: Every aggressive dog should be castrated. Castration may also reduce or eliminate some forms of aggression (i.e., those that are influenced by male hormones). read more

A dog’s temperament, training, personality, and ability to do “work” are a result of genetics and upbringing, not its male hormones. Castration does not “calm” an excitable dog, and unless a castrated male dog is overfed or underexercised, there is no reason for it to become fat and lazy. read more

Neutering prior to puberty, in many cases, halts the emergence of undesirable hormonal behavioral patterns. If your dog doesn't act hormonally in the first place, it won't take him any time to "calm down," after all. read more

When you get your dog spayed or neutered, be sure your dog is in a calm and balanced state. Never spay or neuter a frustrated, nervous, tense, aggressive, or anxious dog! In the United States, seven puppies and kittens are born for every one human. read more