K9community Discussion Forums
General discussion and breed specific forums. Coursing and live chat forums.
http://www.k9community.co.uk/

Yahoo Groups: Canine Care
Discussions of dog care, behavior and training problems, and holistic health.
http://groups.yahoo.com/group/dogbehaviour/

The St. Louis Canine
Resources, activities, training techniques, nutrition and health advice for dog owners.
http://www.geocities.com/goldencanine/index.html

Champdogs Information Exchange
Topics include behavior, breeding, and health.
http://www.champdogsforum.co.uk/

Malaysian Puppy Forum
Large puppy discussion group with emphasis on malaysian dog issues.
http://www.puppy.com.my/cgi-bin/forum/gforum.cgi

Yahoo Groups: Dog Daycare
Mailing list for daycare owners. Includes a directory of articles, media, educational resources, and daycares.
http://groups.yahoo.com/group/dogdaycare/

Petdogs-L
Mailing list for professionals and owners to discuss owning and caring for dogs. Includes FAQ, photo gallery, articles on getting a dog, and links to training and care information.
http://www.timbreblue.com/petdogs-l/

BarkBack
Moderated all-breed forum for advice and sharing stories and photographs.
http://www.barkback.com

GlobalPaw
Forums, pictures, chat, trivia, and a directory.
http://www.globalpaw.com

Reality Bites Dog
Dedicated to friendly dog discussion, includes forums and picture area.
http://dogden.proboards21.com/

web-rover.com
A resource for dog owners, including articles. Covers specific breeds as well as general dog topics.
http://www.web-rover.com/

Dogweb
Pedigree dog forum. Includes sections on dog health, training, breeders directory and other related topics.
http://www.dogweb.co.uk/