this is one informtive site that has everything you need to know about dog food.

http://www.dogaware.com/dogfeeding.html

Christie Keith is a very talented writer and she has a knack for cutting thru the nonsense and has a way of making things very easy to understand. here are her links to titers and vaccintions.

http://www.caberfeidh.com/Titers.htm
http://www.geocities.com/paisleydals/infolist.html