Unfortunately this is an innate behavior that some dogs have and most likely will always have. The male is trying to insert his dominance in their little pack.  It may become better once your female realizes and accepts his dominance but you cannot rely on that happening, as you can never if or when it will actually happen that way.  Its better to fix it before one or both dogs, or even you, gets hurt.  We went through the same thing when we rescued our 2nd female.  She was a stray and was very food aggressive.  She attacked our 1st female on more than one occasion over food. Some tips that helped us: we never give them food out of the same bowl (it took us many months to feel comfortable given them water out of the same bowl), we feed them on separate sides of the room (in an extreme case, I suggest even feeding them in completely separate rooms), in the beginning we would always be in the room with them while they were eating, and we consulted a trainer about it. We also began feeding our 1st female, the less dominant one, first to show patience to our 2nd one, to upset the dominance roles and to show that I ultimately decide who gets fed first and when you get fed.  Who eats first is a big role and dominance influencer in doggie world. BUT…I am not a professional and even though we all love our pits we got to remember that they are pit bulls, a very strong breed that is not to be taken lightly.  I strongly suggest that you talk to or meet with a trainer, especially where it seems this aggressive behavior is relatively new. They may be able to give you better guidance and tips on controlling the situation or even reversing your male’s aggressive behavior.  But in the meantime, I hope my tips help you out.  They did do wonders for us, although our 2nd female is still aggressive with some food and treats.

No dog should be left out in the cold (or heat) regardless of it being a pit bull or not. How would you like sitting out in the cold (or heat) all day, not being able to go inside? You wouldn’t…neither would a dog. You said that you have a crate for him? Why not use that? Keep him crated while you’re not home if yor’re worried about him getting in to anything. I have 2 dogs and they are crated when we are not home and they’re fine. Warm and happy.

I have two female pitties that are both rescues. I was worried about getting a second female dog, regardless of it being a pit or not, for the same reason. Our girl Rose was an only dog in the house for about 2 years and she had made the space hers already. Knowing from experience that, having two females or even two males in a house you are going to have dominance issues regardless of the breed. Its a natural thing that is going to occur. Heck, it even happens with people! You just need to be patient, allow them to become adjusted to living together at their own pace. But be aware of their body language at all times. Spend as much time with each dog one on one in different situations so that you can completely understand each dogs body language. Our girls did get into their scuffs but no one was really hurt and it was mainly them working out who the boss was going to be. They’re still working it out and its been 9months. So expect and be prepared for some arguments between the two. My suggestion to you, is to not feed them out of the same bowl (even water), do not leave them alone together until they are fully comfortable with each other, give treats and toys seperately until you are certain that there is no food or toy aggression. Just let them take their time. Be patient and have fun!! But also remember…you’re the ultimate boss!!! Good luck!