Dog Food Aggressive 

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Rodcampuzano Writes:

Hi Adam,

Yesterday my one year dog took a sausage package from the garbage
can and when I tried to take it out of her mouth, she acted very
agressive, in fact she bit me when I finally took it out of her mouth.

She never had this kind of behavior before, and I had taken things
out of her mouth before, even food without her objecting much. It
was like she was another dog yesterday.

I have been training her, and as you suggest she has to earn everything as described in your book "Secrets of a Professional Dog Trainer" -

Nothing In Life Is Free. She sits before getting her food, before going through doors. I am even teaching her "leave it" with some success so far.

It really amazes me this sudden change, how can I correct it, and
is there a probable cause of this behavior?

Thanks Dog Training Advisor DPTrainer1 Responds:

Well, for one thing, at a year old she's just at the age to start
trying to raise her pack position, plus the sausage package was a
very high value treat to her.

When she started acting aggressive and finally bit you, what did you
do? How did you react to her challenge?

Rodcampuzano Replies:

When she growled I shook her collar and kept trying to take it out
of her mouth.

When I finally took it out was when she bit me, I then grabbed by
her collar and took her out.

I started working with her today on being calm around food.

I would like any advice you can give me. Dog Training Advisor DPTrainer1 Responds:

The dog was in a excited state and you in return showed an excited
state. The leader of a pack is usually the one that is stronger
faster and controls either the game or possession.

It does not sound like you are using the techniques I describe in the
book, to correct your dog? Remember: Your dog needs to be wearing
the training collar and tab-- anytime you're interacting with her,
so that you have a way to communicate that replicates how the pack
leader would communicate with the subordinate dogs. There is no,
"Grabbing the collar and shaking the dog." That's not a technique
I advocate or have found to work.

I have a more detailed explanation as to how to correct your dog for
this type of behavior in the chapter titled: "Food Aggression: Why
Dogs Do It, And How To Fix It." If you need further help, please
continue to post on our discussion forum. We're here to help you
and your dog.

 - Adam Katz