This handsome chap/chonk is in Exam Room 1. His current weig…

This handsome chap/chonk is in Exam Room 1. His current weight is 9kg. The owners are unclear about how much they are feeding him. How much (in kcal) should they be feeding him just to maintain his weight? (You’ll also tell the vet and he/she will want to…decrease that…a bit…but where should the start for energy requirement?)