Our cat has the worst smelling poop I have ever experienced in my life. I'm assuming it's finding the right balance of food? I know that's usually the case with other animals. Maybe the sphynx just has toxic waste? We did recently switch her food, hoping that would help. It didn't. She was eating Purina One Healthy Kitten Formula (suggested by her breeder) We then switched to Merrick Purrfect Bistro Chicken, as suggested by another breeder. She also eats Max Cat wet food once a day. Thoughts?