I don't have a clue about cats, as the shelter here is a dog only on and the cat one is in the next town. She was not around cats in her previous home, I do know that. What I can do there is take her out to my place on lead and see how she does with the Chickens, if she lungs at them then its a good bet she would not get along with cats. Brenna is the dominant one of the big ones and Lucky just obeys her. Potty trained that depends, if you have a pet door then yes, Each dog has their own "pad" as we call it that looks like the inside of a house, the Picture of Chester best show this and she has never gone inside, always down in the gravel area where the dogs are suppose to go at. I don't think there would be any potty problems if she was let out on a regular basis. If there is food involved then she knows Sit.