Keith, The performance joe speaks of is survival, and proliferation. Performance based on what WE consider performance is just a catagorical factoring of this. Ex. Honey production, queen laying all just functions of survival of the line. Scot Mc Pherson McPherson Family Honey Farms Davenport, IA Bradenton, FL -- Visit www.honeybeeworld.com/bee-l for rules, FAQ and other info ---