The treatment of obesity involves dealing with the psychological aspects, m
anipulating the diet and increasing the activity level. The objectives of t
he nutritional management are to decrease energy intake, to stimulate satie
ty and to provide a balanced nutritional intake that is appropriate for the
stage of life and/or concomitant disease. The assessment of a diet for wei
ght reduction should take into account the daily nutrient intake in order t
o avoid underfeeding of essential nutrients. The treatment of obesity will
be illustrated with a complicated case of obesity and renal insufficiency i
n a dog.