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Weight Loss and Diet in Cats

Vasconcellos RS, Borges NC, Goncalves KN et al: Protein intake during weight loss influences the energy required for weight loss and maintenance in cats, J Nutr 139:855, 2009.

The effects of various nutrients, such as protein and carbohydrate, on weight loss in cats are controversial. In this study, performed at the Universidada Estadual Paulista, Sao Paolo, Brazil, the effects of two diets with different protein levels on weight loss and maintenance was assessed. The control group of obese cats received a diet containing 21 g crude protein on a metabolizable energy basis, and the high-protein group received a diet containing 28 g crude protein. All cats were fed the diet until safe, controlled weight loss of 20% was achieved. After weight loss, all cats were fed a diet containing 28 g crude protein and were monitored for 120 days. During the weight loss phase, the control group experienced a reduction in lean body mass, whereas the high-protein group did not. Overall, the high-protein diet allowed a higher energy intake to achieve weight loss than the control diet, thus reducing the severity of energy restriction required. [SL]
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Related articles:
German AJ, Holden S, Bissot T et al: Changes in body composition during weight loss in obese client-owned cats: loss of lean tissue mass correlates with overall percentage of weight lost, J Feline Med Surg 10:452, 2008.
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Villaverde C, Ramsey JJ, Green AS et al: Energy restriction results in a mass-adjusted decrease in energy expenditure in cats that is maintained after weight regain, J Nutr 138:856, 2008.
>> PubMed Abstract