Cut it in half and count the rings.
you shuold take your chihuahua to the vet. that it there to find out what age it is. the vet well also tell you how he find out.
a male chihuahua will mate with a female chihuahua when she is in heat (AKA ovulating, on her period) they can sense it and then have the urge to mate.
Yes a 6 week old Chihuahua can get swine flu.
A chihuahua might not be an ideal pet as they can get aggro easily. If you want to find your dream dog or details about the chihuahua go to www.wikipedia.org or dogtime.com From, Alzhang
My 6 year old chihuahua is pregnant by a 6 month old chihuahua. The vet said that the pups may not survive after birth.
Google akc standards, chihuahua..
21
9500 years old
If not a teacup chihuahua then around 2 to 3 lbs.
between 3 to 5 weeks
9500 years old
at least two