you cant.
you need to make a combination to get a chocolate lab
Yes, you get the black lab along with the chocolate and yellow lab, at least you do when you get them at the beginning of the game, so I'm sure that you get it when you unlock it, too.
You either do barkmode with someone who has a Lab or you get enough trainer points.It's 45000 on chihuahua & friends so it will be a large amount of points!
no
no
Yes you can unlock a chihuahua but you need 50,000+ owner points ;)
care and scroll down
no
Yes you can! I own that game, i have Nintendogs lab and friends.
either go to bark mode with someone who has a chihuahua or get 50.000 trainer points.
Yup, you can connect it to any of the nintendog games for bark mode.
Just the Mario Kart
yes you can by getting 16000 owner points