[QUOTE=For My Coby;Bottom Line - everyone that I know has had the experience that they just go up and down when they're teething (calcium is rerouted from the ears to the teeth or some scientific explanation like that). Then once they're up, they stay up. So I wouldn't fret too much about it. Most people just try to keep the hair shaved to not add weight. Very few that I know have actually had a longer term problem that requires much taping.
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Tessa is now 4mths old and her ears are up. They were up and down while teething but they seem to be straight up now, much to my dismay!

I was hoping they would stay down 'cause she looked so darn cute

(I don't show and don't breed) My vet book does say that the ears will do what they want while a puppy is teething