Here are a few links we think are very helpful!

OFA -  This is the organization that administers the Hip and Elbow clearances for dogs. http://www.offa.org/

CERF - This is the organization that administers the yearly eye clearances for dogs. http://www.vmdb.org/cerf.html

OptiGen - This is the organization that administers the program for DNA testing for several genetic problems in dogs, such as PRA and Narcolepsy. http://www.optigen.com/

Labrador Retriever Club - This is the National Parent Club for Labradors that has been sanctioned by AKC. http://www.thelabradorclub.com/

American Kennel Club - http://www.akc.org/