Here are some previous helpful threads on dogs vs. bikes, chock full of excellent information for you:
http://forums.teamestrogen.com/showthread.php?t=29980
http://forums.teamestrogen.com/showthread.php?t=31204
http://forums.teamestrogen.com/showthread.php?t=12053
http://forums.teamestrogen.com/showthread.php?t=741

I found them using the "Search" function on the top banner of every page.