I don't have a dog, but have had them. This is a really, really good read:
"The philosopher and the wolf
A spur-of-the-moment decision to buy a wolf cub changed Mark Rowlands's life. From that moment on he found human company never quite matched up"
www.telegraph.co.uk/culture/?xml=/arts/2008/11/08/sm_philosopherwolf.xml
Is that one of those pig dogs....?