NEUTERING.
THE PHYSIOLOGICAL AND PSYCHOLOGICAL EFFECTS OF NEUTERING. The most fundamental of all changes that owners make to their dog is to decide whether or not the dog or bitch will breed. Both dogs and bitches are born genetically programmed to reproduce their genes, and thus provide the next generation. Owners may choose to do this by ensuring that the dog is secure within their home and garden so that he cannot go in search of a mate, or that the bitch is confined to the house or exercised on a lead while she is in season twice a year. Or they may decide the safest method of prevention is to have the dog castrated or the bitch spayed. This surgery is permanent and irreversible, and it does have benefits other than preventing unwanted puppies. Male puppies receive a surge of the male hormone testosterone shortly before birth which induces their male outlook on life. As they reach maturity testosterone will again come on stream, and the dog will begin to actively...