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Julie Boznay, Kelly Bowlt
The Veterinary Nurse, Vol. 4, Iss. 4, 23 May 2013, pp 214 - 218

Obesity is the most common nutritional condition of domestic cats in the UK, and is associated with a number of detrimental effects on health. Neutering of cats, which is absolutely essential for obvious reasons of population control and animal welfare, has long been recognised as an important risk factor in its development. In this article, we will review the current knowledge on the mechanisms underlying this association between neutering and increased risk for obesity. Weight gain in neutered cats arises from metabolic changes which are induced by the falling level of estrogens; those changes include increased energy intake, decreased satiety signals, and decreased energy expenditure. In order to tackle weight gain in neutered cats, those modifications in the metabolism of neutered cats need to be explained to the owners, and addressed by appropriate weight control measures immediately after the surgery.

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