Fat cat? Here's how much to feed to lose weight

[unable to retrieve full-text content]Does your cat lay around all day, only getting up to eat and visit the litter box? Chances are, he's overweight. Maybe you've switched to the 'diet' cat food or tried feeding him less, but you might have noticed it's not easy to get that weight off. A new study explains what it takes to get kitty to slim down.