IN-Fisherman has a very good article that might help you.
http://www.in-fisherman.com/magazine/exclusives/if2902_SaugerSaugeye/
"The Walleye List" is a great place to learn about walleye fishing and information.
http://www.walleyelist.com/
I ask almost your exact question several years ago and, you would not believe some of the replies I got and how many were filled with the wrong information.
When in doubt, do a google web search.
http://www.in-fisherman.com/magazine/exclusives/if2902_SaugerSaugeye/
"The Walleye List" is a great place to learn about walleye fishing and information.
http://www.walleyelist.com/
I ask almost your exact question several years ago and, you would not believe some of the replies I got and how many were filled with the wrong information.
When in doubt, do a google web search.