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Facts and Needs of sterilised cats

Download a PDF of the Hill's™ Science Plan™ Sterilised Cat leaflet.

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Sterilised cat's specific needs


Many responsible pet owners sterilise their cats to avoid unwanted pregnancies and help to control the overall pet population, amongst other behavioural and health requirements.

However, after sterilisation cats are at increased risk of two specific health conditions. The good news is that specific nutrition for sterilised cats provides a solution to help reduce these risks:


Your sterilised cat may be at risk
Specific nutrition can help

Metabolism slows down, making cats more prone to weight gain2

Appetite increases by up to 25% whilst energy expenditure decreases by an average of 30%3,4

Overweight cats are at a higher risk of health problems such as diabetes and lameness5


Overweight cats are less active and may drink and urinate less frequently

Urine becomes more concentrated and urinary stones are likely to form

Incorrect urinary pH and excess minerals in the food may cause stones to form

*Average 4kg cat fed a recommended 55g a day from a 3,5kg bag at a RSP of £25.99.

References 1. Scarlett JM, Donoghue S. Obesity in cats: Prevalence and Prognosis. Vet Clin Nutr. 1996; 3 (4): 128–132.
2. Hill's Research, sourced from vets in the UK, France and Germany.
3. Rijnberk A. Clinical Endocrinology of Dogs and Cats, Kluwer Academic Publishers, Dordrecht, the Netherlands, 1996; pp. 139-140 and 153-156.
4. Flynn MF, Hardie EM, Armstrong PJ. Effect of ovariohysterectomy on maintenance energy requirements in cats JAVMA 1996; 209 (9): 1572-1581.
5. Fettman MJ, Stanton CA, Bank LL, Hamar DW. Effects of neutering on body weight, metabolic rate and glucose tolerance of domestic cats. Res. Vet. Sci. 1997; 62: 131-136.
6. Lekcharoensuk C, Lulich JP, Osborne CA. et al. Association between patient-related factors and risk fact of calcium oxalate and magnesium ammonium phosphate urolithiasis. JAVMA 2000; 217 (4): 520–525.

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