1. Aquatic Feeds and Nutrition Department; Oceanic Institute of Hawaii Pacific University; Waimanalo Hawaii 96795 USA
2. Research and Development; Big Island Abalone Corporation; Kailua-Kona Hawaii 96740 USA
3. Marine Ecosystems and Aquaculture Division, Science Branch Fisheries and Oceans Canada / Government of Canada; 4160 Marine Drive West Vancouver BC V7V 1N6 Canada