How Does Neutering Affect a Male Dog?


Quick Answer

Neutering affects the behavior of male dogs by curbing undesirable sexual behavior, urine marking and aggression, which are behaviors driven by male hormones, states VCA Animal Hospitals. Castration also decreases the chances of male dogs developing testicular tumors and hernias.

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Neutering, or castration, tones down adverse sexual behavior, including roaming, mounting, masturbation and attraction to female dogs, says VCA Animal Hospitals. A neutered dog also tends to stay put and feel less stress because it does not respond to pheromones released by female dogs who are in heat. Without the urge to mate, a neutered dog is less likely to find a way to go outside of the yard and roam. This also reduces the chances of encountering other dogs or wild animals that can pass on contagious canine diseases.

Another undesirable trait reduced by castration is urine marking, a way for dogs to mark their territory. When male dogs urinate, they usually lift their legs to empty their bladders. Unneutered dogs often retain and then deposit some urine on certain objects, states VCA Animal Hospitals. While neutering does not stop dogs from lifting their legs when urinating, it somehow reduces their urge to mark their territories with urine.

Hormone-related aggression includes fighting with other dogs for territory and aggressive behavior toward owners and other human companions. While neutering cannot solve all problems, it may reduce a dog's inter-male fighting tendencies and dominant aggressive behavior, indicates CanisMajor.com.

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