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He's nine years old, and we brought him to the vet last week, and she said he's overweight, and needs to loose five pounds. She suggested we switch him to low-cal cat food and encourage him to excercize more, but he won't eat the food, and when I try to play with him, he just gives me this "are you crazy?" look. Please help!
His twin brother died last month, and we just got him a new little kitten (6mo.) but all he does is hiss and growl at the cat.

My dachshund is overweight, and everytime I take her to the vet, I have to hear how overweight dachshund are prone to back problems and I get depressed. I know I have to help her with her weight problem-but here's my dilemma. I want her to enjoy her food too, if she doesn't-she sneaks cat food. Right now I'm feeding her Nutro-Natural choice for Overweight dogs. She loves it. But she doesn't really seem to loose weight with it, but doesn't gain either. But when my vet had me put her on the low-cal Science Diet she actually gained weight because she would sneak any food she found anywhere, because she hated it. Help! I want my pooch to be happy and healthy.