I am having some problems with my eight month old male boxer. I know it is typical at this age to "try" you at this age but , he is very aggressive when I go to crate him right now. ( serious biting) I have been told (vet, reading, behavior people in Mass.) to be more physically assertive with him. I need to nip this in the bud now. I have two children in the house, we love him very much but can not allow this behavoir to continue. I would appreciate any suggestions. I have read the recommended books, talked to the right people and have been told I am doing everything right, I apparently have a dominant dog. thank you.
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