I'm about to adopt a 2 and a half to 3 year old samoyed from a shelter. He was neglected and when his neighbours took him to the shleter his fur was matted so they had to cut out all the tangles (he isn't bald he just has fairly short fur). I was just wondering if there could be any health issues with having the short coat, like could he get sunburnt? Will he get too hot or too cold? And I was also wondering if his coat would grow back the same as a normal samoyed. I actually don't mind how he looks now so would keeping his fur short be a problem?

We also have an older cat at home, about 10 years old. He is fairly skittish, runs away from strangers and hasn't had much contact with dogs. How should we go about introducing the dog to the cat and making sure the dog doesn't try to hurt him?