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Cats and Carbohydrates: The Carnivore Fantasy?

Department of Clinical Studies, Ontario Veterinary College, University of Guelph, 50 Stone Road E, Guelph N1G 2W1 ON, Canada
Laboratory of Animal Nutrition, Faculty of Veterinary Medicine, Ghent University, Heidestraat 19, Merelbeke B-9820, Belgium
Author to whom correspondence should be addressed.
Academic Editor: Jacquie Rand
Vet. Sci. 2017, 4(4), 55;
Received: 28 June 2017 / Revised: 30 October 2017 / Accepted: 8 November 2017 / Published: 15 November 2017
(This article belongs to the Special Issue Diabetes Mellitus in Companion Animals)
The domestic cat’s wild ancestors are obligate carnivores that consume prey containing only minimal amounts of carbohydrates. Evolutionary events adapted the cat’s metabolism and physiology to this diet strictly composed of animal tissues and led to unique digestive and metabolic peculiarities of carbohydrate metabolism. The domestic cat still closely resembles its wild ancestor. Although the carnivore connection of domestic cats is well recognised, little is known about the precise nutrient profile to which the digestive physiology and metabolism of the cat have adapted throughout evolution. Moreover, studies show that domestic cats balance macronutrient intake by selecting low-carbohydrate foods. The fact that cats evolved consuming low-carbohydrate prey has led to speculations that high-carbohydrate diets could be detrimental for a cat’s health. More specifically, it has been suggested that excess carbohydrates could lead to feline obesity and diabetes mellitus. Additionally, the chances for remission of diabetes mellitus are higher in cats that consume a low-carbohydrate diet. This literature review will summarise current carbohydrate knowledge pertaining to digestion, absorption and metabolism of carbohydrates, food selection and macronutrient balancing in healthy, obese and diabetic cats, as well as the role of carbohydrates in prevention and treatment of obesity and diabetes mellitus. View Full-Text
Keywords: carbohydrates; carnivore; diabetes mellitus; feline; glucose metabolism; hyperglycaemia; macronutrient selection; obesity carbohydrates; carnivore; diabetes mellitus; feline; glucose metabolism; hyperglycaemia; macronutrient selection; obesity
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MDPI and ACS Style

Verbrugghe, A.; Hesta, M. Cats and Carbohydrates: The Carnivore Fantasy? Vet. Sci. 2017, 4, 55.

AMA Style

Verbrugghe A, Hesta M. Cats and Carbohydrates: The Carnivore Fantasy? Veterinary Sciences. 2017; 4(4):55.

Chicago/Turabian Style

Verbrugghe, Adronie, and Myriam Hesta. 2017. "Cats and Carbohydrates: The Carnivore Fantasy?" Veterinary Sciences 4, no. 4: 55.

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