As soon as but don't do it full on start with about an hour every weekend and then try it whenever you can. Try Dog Training to start of with they will show you how to do it and then you can carry it on dog will learn quickly if you persevere.
The best time would be when your puppy is about 4 or 5 weeks old, or until the puppy is old enough to be away from its mother.
If you want to train a dog to bite, you should not own it. Period.
when is the best time to spay/nueter a female Airedale puppy?
To train your puppy from biting or teething on people, just rub a stick of butter on your hands. Its best to use a stick of butter, rather than regular in a tub butter. Instead of teething/biting your puppy should just lick. Enjoy training your puppy! Info from Dogs101 on Animal Planet
I tought mine to fethc in water with a tennis ball.
If its a puppy, i would suggest a harness. if its a full grown dog you might use a pinch collar or choker chain.
The best place to get puppy training is either from a pet store or a qualified pet trainer; pet stores, such as Pet Smart, usually have trained personnel, and qualified private pet trainers can go on one-on-one sessions with your puppy in order to train them.
You can buy pee pads (sold at your local pet shop), and on weekends you can potty train it!
They are really smart and easy to train. Don't let a puppy go long with a bad habit and the training will be easy. Pitbulls are very easy to train you should have a great time training
you must bring somebody to train the dog for the child
the ideal time is around 7 to 8 weeks, because that's the best time for bonding between the puppy and a new owner
Teach it to 'stay'.