Although electroporated eggs were negatively buoyant and sank to the bottom of the cuvette filled with Hank's BSS, it was decided that the selected taurine concentration (4.2%) would be that which caused the eggs to be neutrally buoyant as well as maximizing the exposure to the electric field. In addition, a concentration of 4.2% taurine demonstrated hatchability that was not significantly (P N 0.05) different fromthe non-electroporated eggs.