Sterilisation and castration can have a significant effect on your cat's hormones and metabolism, including a decrease in energy needs and an increase in appetite. Royal Canin Veterinary Cat - Neutered Adult Maintenance is a specially tailored wet food for adult cats, helping your cat to maintain an ideal weight without missing out on the pleasure of food. Royal Canin Veterinary Cat - Neutered Adult Maintenance contains delicious chunks in a tasty sauce, all packaged up in practical pouches to maintain freshness. It has a high protein content that helps to support lean muscle mass maintenance. Royal Canin Veterinary Cat - Neutered Adult Maintenance also contains a special antioxidant complex to bind free radicals. The S/O index has also been tailored to encourage an inhospitable environment for urinary stones, helping to maintain healthy urinary tract function. General information: Please seek your vet's advice before using this food or extending the feeding period. When feeding your c