おざき Oct 29, 2026 21:12 When your cat turns seven, you might start noticing labels like "Senior" in the pet food aisle. As they reach 11, 15, and beyond, options like "Mature" or "Super Senior" food also enter the mix. Changing a diet to match a cat's age is often considered a standard part of health management. However, if you think about it, there is something curious about this. Does a cat's body suddenly change the day it turns seven? Even at 15 years old, some cats are active and have a good appetite, while others may be managing chronic illnesses. Even so, if they are the same age, is their nutritional requirement the same? On September 11, 2026, an interesting review article on the nutrition of elderly cats was published in the Journal of Feline Medicine and Surgery. The title is, "What Goes in the Bowl? Evidence-Based Nutrition for Ageing Domestic Cats." Translated into Japanese, it means something like, "What should we put in a cat's bowl? — Considering elderly cat nutrition based on scientific evidence." The researchers organized existing studies on energy requirements, protein, fat, vitamins, water, and commercial senior foods for elderly cats. As a result, an unexpected problem emerged. We still do not know enough about the nutrition required for elderly cats. In this article, focusing on the 2026 review and also referring to existing veterinary guidelines and resear