Hi there, a friend passed away recently and I am taking care of her persian cats right now. One came with a very bad sinus infection and was extremely skinny and dehydrated. We have cleared up her sickness but I can't get any weight back on her. I have her on a 80% meat with no grains or gluten dry food but no matter what she will not touch any wet food. Her appitite is great, eats and drink lots, she is not lathargic or anything like that. Any tricks out there on how to get her fattened up?