Areas of the Great Lakes with
lake trout natural reproduction.
•Confounding factors such as Early Mortality Syndrome (associated with thiamin deficiency) may hinder lake trout rehabilitation in other locations.
•(Thiamine is above threshold levels for EMS in Parry Sound lake trout.)
•And the ability to control mortality will give lake trout the best chance to increase natural reproduction and rehabilitate .
• Even with severe angling restrictions in Parry Sound there are concerns, what about areas of lake with much less protection,  can we expect any rehabilitation success at all?