SOMMAIRE : Basis for techniques of behavior therapy -- Medical interview and case history assessment -- Principles of behavior modification -- Hormones and behavior : gonadectomy -- General approaches to behavioral pharmacology -- Prescribing psychotropic drugs -- The behavior of sick dogs and cats -- Behavior and behavior problems of dogs -- Aggression towards people -- Aggression towards other dogs -- Anxieties and fears -- Barking : normal and excessive -- Excessive activity and destructiveness -- Escaping and roaming -- Urination and defecation problems -- Attention-seeking behavior -- Problems with feeding behavior -- Problems with sexual and maternal behavior of dogs -- Repetitive, compulsive, and stereotypic behaviors -- Behavioral aspects of aging dogs -- Selecting and raising puppies -- Behavior and behavior problems of cats -- Feline housesoiling : urine marking: inappropriate urination and defecation -- Aggression towards people and other cats -- Inappropriate feline scratching -- Problems with feeding and predatory behavior -- Problems with sexual and maternal behavior of cats -- Compulsive and stereotypic behaviors in cats -- Selecting and raising kittens -- Human-companion animal interactions -- Role of the dog and cat in families -- Dealing with loss of the companion animal.