Here is a nice little 1 page spreadsheet that I put together with the help from Highlander's post on www.worldofwarcraft.com forums. Linked is a jpeg from photobucket.
Alliance-Fishing_Cooking.jpg
As you go through your fishing should stay pretty much even or slightly higher than your cooking.
Knutz & Bholtz <Kanraku>
Tanaris
Edited, Jun 11th 2008 6:13pm by Bholtz