This article is from the Chihuahua Breed FAQ, by melinda@badger.idiscover.co.uk (Melinda 'Bob' Casino) with numerous contributions by others.
As you might suspect from number 9 above, yes, they can be trained.
This topic is extensively dealt with in the document, "Training Your
Dog," which can be found at
http://www.zmall.com/pet_talk/dog-faqs/training.html.
 
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