i have a 12 week old great dane puppy and he will not stop biting.  we give him lots of attention and toys etc to chew on but he contstantly bites us, especially our 3 year old daughter. he will chase her everywhere to grab and bite her and we feel like we are telling him off all the time,  why does he go for our daughter all the time,  is this normal puppy behaviour he will grow out of?  amy advice on how to deal with this will be greatly appreciated. thanks . clare

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