I have a 9 y.o. Cocker Spaniel who is eating the Kirkland Adult Lamb/Rice right now. I was skirting
https://goodpuppyfood.com/diets/best-dog-food-for-senior-dogs/https://goodpuppyfood.com/diets/best-dog-food-for-senior-dogs/ when I saw that Merrick Lil' Plates Senior Dog Food is rated quite a bit higher and has a better meat/grain balance (the lamb/rice is pretty grain heavy), but is technically a senior dog food. I wouldn't quite consider mine a senior yet - she has no issues getting around and has not slowed down at all, clean bill of health from the vet every year, etc.