Retaining a Dog's Manliness:

Neutering a male dog has many benefits, but pet owners are often hesitant to have this surgery performed. Fears that the pet will gain weight or become lazy as the result of surgery have been shown not to be true. Concerns over changes in their pet's physical appearance have also been cited. Studies have shown that aging male dogs are prone to many of the same medical problems as their human counterparts.

Now silicon implants are available in a variety of sizes that can be implanted at the time of the surgery. According to the manufacturer, they are safe and life-like, will not flake or leak and have the texture of gummie bears. After the surgery, only your veterinarian will know for sure.