one year old rottweiler biting
My rottweiler is just over a year old and he has now bitten her twice in the space of 2 weeks, although it has made her bleed it was just a tooth that punctured her skin, but she was in the garden and was helping put wood in the car and he run over to her and just bit her arm....
we are not sure what we can do to stop this and also we have noticed that he is getting worse with people who come into the house, he will let them stroke him but when they stop he bites them.
He is very well behaved otherwise, trained and also trained not to touch his food until he is told so, he listens very well but doesn't seem to be doing so well with the stop biting.
I'm not really sure who your Rottweiler bit, but biting ANYONE is totally unacceptable.
Your Rottie is a 'teenager' and it sounds as though this is a dominance issue. He's trying to figure out where he 'fits' in the family hierarchy and obviously feels he's superior to whoever it is he's biting.
Although he's generally well-behaved and you say he's trained (I'm assuming this means he knows his basic obedience commands?), this type of behavior absolutely can't be tolerated as it's dangerous - to both the person he's biting (and he won't stop at one person if he's allowed to continue) and to himself. If he bites someone who makes a complaint against him, or he really hurts someone he will likely lose his life.
It's entirely your responsibility to teach him that he must never put his teeth (or mouth even)on a human.
I'd strongly recommend you get some hands-on professional help with this situation because it sounds to me as though it's on the borderline of being out of control. You need someone to show you how to deal with this 'acting out' and to recommend corrections that your pup will understand. Get in touch with a local dog trainer as soon as you can and explain the situation, they should be able to guide you.
One word of warning though - be sure to choose a trainer who is familiar with large, guardian breeds and who only uses positive, rewards-based training methods. I don't think your pup is an aggressive dog, just an adolescent who is pushing the limits and hasn't had all the guidance he needs in terms of behavior. Harsh or punitive training does not work with any dog, and with a Rottie it will make the situation much worse.
I hope you find someone to work with you and your pup soon so that this behavior can be corrected. Good luck.