My ACD likes to chew on his friends    I'm always ready- to
party! Barked: Tue Feb 12, '13 5:45pm PST  Hi there! Thank you
in advance for reading! I am looking for some input/advice on
how to work with my 1 &1/2 year old, neutered ACD to stop
playing so rough with his "friends".  We adopted our ACD, Avery,
when he was 9 months old and have worked through many not-so-
preferred behaviors and while we have come a long way (and
Avery, of course!) this is one behavior that has been difficult
to address and seeming to increase in intensity. Avery, used to
play very well with other dogs at the dog park. No biting, good
soft romping around. He met a heeler at our local dog park that
went crazy nippy and barky at every dog in the park while
chasing them around, and naturally Avery thought this was so
cool! Since he has been exhibiting the same behavior of
growling, biting the neck and chasing intensely to "catch" the
other dog with his mouth...  While I feel very confident he is
not hurting the other dog, some people