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    | A Visitor asked the following question on 3/1/2008 I have a male and female pug that are nearly three years old.  They have free access to the outdoors at all times via a doggy door, have a fenced in yard, and are walked daily.  My male has now begun marking in various places in the house.  I can't catch him in the act and there's no precipitating event.  Any suggestions?
 
 
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