4 months puppy aggressive behavior

[gtalk44]

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Hello,

Me and my girlfriend have a 4 months puppy, He is mixed, we have him for 2.5 months.

In our apartment he is charming, cute, play with us gently and obey.

Sometimes we take him outside to a closed garden for dogs, he can run and play freely there. When there are no dogs there he becomes in one second not obey dog, make aggressive noises, jump on us and bites strong and not willing to calm down. Like being rebel in a bad way.

1. Is there is anything we can do?

2. Sometimes we give him small bone to eat, if we try to touch the bone while its in his mouth, he again become even more aggressive, panic and make us the noises of aggression.

Is that normal behavior of a puppy?

Thank you for your help J

 

[gypsysmum2]

This is all normal behaviour for a dog. It is, however, behaviour that we should not encourage.

When he gets excited and bites you should withdraw attention from him immediately and give signal such as "ouch" as to why you have stopped interacting with him. Fold your arms and look away from him. Be brave and ignore the biting. It will get worse before it gets better because, for a short while, he will try harder to get you to take notice of him.

Whenever he is playing nicely, especially when he has his toys then make a point of interacting with him. If he won't let you have his toy then pick up another and play with it. Keep an eye out for "good" behaviour and reinforce it with attention. Over time he will cotton on that if he does "good" things like sitting or lying quietly, playing nicely etc he will get your attention. Other behaviour gets him ignored.

Use a high value food reward to persuade him to give you things that he has. Always give them straight back to him or replace with something even better. This teaches him that you are no threat and can be trusted to share with him.