Play biting is usual behavior, and another puppy yelping because yours bit too hard could be the fastest way to understand bite inhibition. If your puppy is biting an excessive amount of, then take out her from the game once she bites. Adverse reinforcement such as this typically backfires http://titusfvfqa.bloggin-ads.com/18058273/an-unbiased-view-of-how-to-stop-a-puppy-from-biting