This is the thread I have been looking for. I am having the same problem...........My Mei Mei constantly barks. I love her, but it is really getting to me and my husband. Plus she now has my other two dogs, (Shih Tzu and Pomeranian) going now, which they were both good until we got her.
She will even bark in the middle of the night 2-3 times.
I tried the can with the pennies in it and I shake it at her, but sometimes it doesn't work.
I am going to try the tapping on the ex pen and the squirt bottle.............wish me luck because I don't know if anything is going to work for this fiesty little girl!!