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Proc Nutr Soc. 2009 Feb;68(1):98-102. doi: 10.1017/S0029665108008835. Epub 2008 Dec 1.

Conference on "Multidisciplinary approaches to nutritional problems". Symposium on "Nutrition and health". Nutritional therapies to improve health: lessons from companion animals.

Author information

1
Waltham Associate Professor of Small Animal Internal Medicine and Clinical Nutrition, University of Florida College of Veterinary Medicine, Gainesville, FL 32601, USA. hillr@vetmed.ufl.edu

Abstract

Companion animals represent an under-utilised resource. The present paper is designed to encourage collaborative studies. Dogs and cats are out-bred animals that are willing to consume a consistent diet for long periods, so are ideal candidates for prospective studies of naturally-occurring disease. In some studies the effect of diet on survival has been substantial. Food restriction, for example, slows the development of osteoarthritis and increases the lifespan of Labrador retrievers by 2 years, protein and P restriction more than doubles the median survival time of dogs and cats with chronic kidney disease and adding n-3 fats and arginine to the diet of dogs with stage 3 lymphoma improves median survival time by one-quarter. Obesity is also very common in both dogs and cats and is also associated with disease as in human subjects. When interpreting these results, however, it is essential to take into account pathophysiological differences among species. Dogs and cats do not display all the characteristics of metabolic disease in human subjects, they metabolise fat well and atherosclerosis and cardiac infarction are uncommon. Such differences should not, however, preclude further study because differences among species often clarify knowledge. Monitoring of disease in companion animals may also provide a surveillance system for the safety of the food supply, as illustrated by recent outbreaks of acute renal failure and liver failure in cats and dogs in the USA caused respectively by melamine and mycotoxin contamination of pet foods.

PMID:
19040782
DOI:
10.1017/S0029665108008835
[Indexed for MEDLINE]

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