stop dog biting

What should I do for my dog bites the barrier and out?
My dog bites and tears of our wire fence, then down. It is a shelter at the moment and I'll be back. How do we prevent it from leaving the house. (It always come back), he is a poodle and is 1 year. and a half, how may help neutralization of the dog
Is he neutered? Is it exercise? I do not know enough details, such as race or age, but it may be really hyper and very bored. Can you give this dog what it needs to fit your lifestyle? Its obvious you worry, you can consult a trainer if you can afford.
Untamed and Uncut: Attack Dog Bites Reporter