I'm not familiar with these publications but thought they may be of interest to some of you.

Cats & Kittens:
http://a388.g.akamai.net/7/388/1603/0001/www.freebizmag.com/emailcat01Welcome.html

Dog & Kennel:
http://a388.g.akamai.net/7/388/1603/0001/www.freebizmag.com/emaildog01Welcome.html