I have a shih tzu and he is very protective, whenever someone comes to the door he barks until they leave, and he is even becoming aggressive and starting to nip at people who only wear dark clothes (??!!) ANy suggestions? He is 5 years old.Answer Question
Answer by Anonymous at 1:52 AM on May. 12, 2011
Answer by marshsmom at 10:02 AM on May. 12, 2011
Answer by MamaStuart at 12:47 PM on May. 12, 2011
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