Originally Posted by vanillasugar
You might want to read this, it's the best resource I've been able to find regarding obesity in felines. Wet food is actually MUCH better for overweight kitties (and cats in general) than dry. It is lower in carbohydrates and higher in protein, and also has less calories. Most vets have yet to come around to this information, as their nutritional education is rather limited.
http://www.thepetcenter.com/imtop/catweight.html