Dominant Play Aggression in a lively terrier cross pup
As a pup Zack was bundle of fun and naughtiness, a wiry high-speed
terrier cross with boundless energy.
When Zack approached his “teenage period” 5mo old he gradually became
unmanageable. His owners, Mr & Mrs C, are very experienced dog owners
but are not as young as they used to be. They were doing most things
correctly but some young dogs just take advantage of the fact that they are
stronger and faster than their owners. It’s also true that we all get softer
as we get older and are less able to take that vital assertive leadership
role.In the home Zack
could be gentle and lovable but several times a day he had sessions flying
round the house at great speed with a toy in his mouth. If restrained he
would growl, use his mouth hard and resist all attempts to calm him. On
other occasions he would jump up at his owners scratching them and grabbing
with his mouth. On a walk he was pulling on the lead and jumping up at
anyone he passed.
Feb.'07
Full Behaviour Session and Halti Training
At a full behaviour consultation
we planned how to re-establish Mr & Mrs C as leaders of the pack. We used a
trailing lead to make it easier to catch Zack when he was being hyper, we
established a method of firm gentle handling so as to teach him to become
calm on demand, we used a house cage at intervals throughout the day. We
worked on game-play so his owners would win the game not Zack, and we taught
his owners to be calm and assertive. We also introduced the use of a Halti
Headcollar.
Two weeks later Zack was much
improved, he was generally less hyper and not pulling on the lead. But he
was still aggressive to Mrs C in particular, mouthing her hands and knees
hard, mainly when Mr C wasn’t home.
May '07
Neutering and Hormone Treatment
We encouraged Mrs C to give him
attention for several short periods throughout the day but ignore him in
silence at other times. We neutered Zack, as planned, as he was now 6mo.
old. We also treated him with an injectable calming hormone to reduces his
teenage emotional ups and downs.
Zack responded as if by magic!
Almost overnight his behaviour was calmer, and any silly play was gentle and
fun rather than aggressive. A month later he began to show signs of
reverting to hyper-aggressive play. We repeated the hormone injection and he
was back to normal within a couple of days.
Sept '07
Zack is now nearly 12 months old.
He is still a bundle of fun and very much loved. We have continued the
hormone treatment monthly with success and expect to be able to stop using
it once he is fully-grown.
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