I have two eight month old kittens, Ernie and Santo, who are still on their Science Diet kitten food. They really appear to enjoy it because now they both have a very small "pooch." However I know I should transition to adult food here at some point, but when would you suggest that I do that? At a year old? Before then? Obviously I don't want them to get too fat from the kitten food, but I don't want to take it away too soon.