Abstract
Summary
Adult female dogs were fed ad libitum for 25 weeks a high-fat diet (51% of energy from fat) or a high-carbohydrate diet (59% of energy from carbohydrate). Dogs fed the high-fat diet gained more body weight than did dogs fed the high-carbohydrate diet. In both groups of dogs 78-80% of the increase in body weight was fat. The high-fat diet may have been utilized more efficiently for body fat gain than the high-carbohydrate diet; alternatively, it is possible to explain the increased body fat accumulation in dogs fed the high-fat diet on the basis of the small observed difference in energy intake. Dogs fed the high-fat diet consumed slightly more energy (13%) which resulted in the accumulation of more than twice the amount of fat accumulated in dogs fed the high-carbohydrate diet during the 25 week study.
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