Blog of day;
Non-hereditary influences on temperament include such factors as a puppy's being reared in isolation without individual care or affection, or a puppy's being the victim of bullying by larger and stronger litter mates. These conditions can affect the personality of the dog in later life and his reactions to humans neutral, friendly, or hostile role. A nervous or shy mother can influence a puppy in later life. The mother's attitude toward humans can affect each puppy's temperament.
Every breeder should be on the lookout for timidity, fear of strangers, refusal to leave a familiar environment, sound shyness, fear of sudden changes, sight shyness, and excessive activity.
Holy See Vatican Map Gallery Photos
Holy See Vatican Map
Any of these signs can be inherited in the offspring and would establish abnormal traits.