In some European countries and the United States sterilization of dogs deemed necessary procedure (one reservation: if the dog is not purchased for further breeding) because there are very strict veterinary legislation in these countries.
In our country only owner can decide whether do it or don’t. You have to consciously decide whether to expose Jack to the operation.
Weigh all the "pros" and "cons". For example, it is assumed that the sterilized females have less risk of breast cancer, but only if they were sterilized before the first heat. There sterilized females have no heat, it is certainly convenient to you, as the owner. If you go with your dog to hunt, you can’t do a 3-week break in the heat, and if you do not hunt, you do not need to change your lifestyle for these 3 weeks.
Also it generally accepted that male castration will help reduce his aggression, make him more obedient and docile. Castrated male dog will not run away from the host, sensing the bitch in heat he will not mark (spray) territory.
However, keep in mind that these preconditions do not always work. Aggression can still be; the interest in the opposite sex will not disappear immediately.
Despite the obvious advantages of sterilization, think about it. Despite of all advantages sterilization carried out under general anesthesia it causes the harm to the body of a dog. After sterilization, increases the likelihood of obesity, so you need to carefully monitor the diet of your dog.
Also, if you suddenly decide to have puppies you can’t back return back anything. The operation is irreversible.
We reiterate: this decision should be aware, because you are fully responsible for the life and health of your dog.
The main source of information for the dog is the smell. His brain is 10 times smaller than that of a human being, and his sense of smell is 40 times larger than the olfactory part of our brain, and his ability to identify smells is 1000-10000 times larger.