Is it mean to put a muzzle on your dog on walks if it is dog aggressive?

Go with Suki's and Mel's answers. I would add that another way to help her realize that barking is not allowed is not to let her do what she wants to do...move forward. Walk her on a lead (you DO walk her, of course).

As soon as she starts barking, turn and walk in the other direction (not forward, as she would prefer). Be VERY consistent...do it every time she barks at another dog. Allow her to get close enough to greet the other dog (if safe) is she does not over-vocalize--the ultimate reward for quiet behavior.

DO walk her on a lead. An element in front-yard-barking is boredom and pent-up energy. Whatever exercise she is getting in your yard is NOT enough, and she knows every nook and cranny of that static environment.

Muzzles are for protection against biting, and have nothing to do with barking. While "alerting" is part of the pom's job, it can be controlled through consistent training. She CAN learn that 1-3 barks are OK (she's done her job); more is not acceptable.

I personally wouldn't use the muzzle for barking. Its just a quick fix, and if your dog is barking that much, you would need to have the muzzle on all the time, which is cruel. I would suggest looking into clicker training, or something along those lines.

The short version of clicker training, is when the dog does something good, you click, and they learn that's good, and they get a treat. So in your case, when she sees someone and doesn't bark, she gets a treat, or, she barks, you say "quiet!" or "shh" and when she stops barking, she gets a treat. You may have to ask a few friends if they would mind helping you, so you can control the situation at 1st.

This method will take some work though, so you'll have to be willing to put the effort. Good luck.

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