Biting is a natural reaction for puppies, it is actually nipping at this age. Until your puppy has joined you in your home, he has always had his brothers, sisters, and mother to play with. This interaction that he has had with his dog family has taught him important social skills of when to bite, when not to, when he is playing too rough, etc. Now that he is in your pack, he needs to learn that in his new pack there is absolutely NO biting. This can be taught easily and effectively to your puppy. When your puppy does bite you, simply say “OUCH” in a harsh tone of voice and immediately stop all play and attention. This will need to be repeated, but eventually your puppy will catch on.
Here is another link to an article we wrote previously on nipping: https://ashfordmanorlabradoodles.com/puppy-nipping/
Ashford Manor Labradoodles
Indiana’s Australian Labradoodle Breeder