Here are some links to some very good sites to research any dog.

Ivermectin Toxicity in Herding Breeds (Its a must read)
http://www.wxu.edu/announcements/ivermectin/ownerinfo.asp 

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

Australian Shepherd Club of America   http://www.asca.org]

United States Australian Shepherd Association http://www.australianshepherds.org

Newfoundland Club of America      http://www.ncanewfs.org

National Beagle Club   http://www.clubs.akc.org/NBC

Jr Handling information   http://www.bestjunior.com

United Kennel Club  http://www.ukcdogs.com