1 BETTER SCIENCE, BETTER FISH, BETTER LIFE PROCEEDINGS OF THE NINTH INTERNATIONAL SYMPOSIUM ON TILAPIA IN AQUACULTURE Editors Liu Liping and Kevin Fitzsimmons Shanghai Ocean University, Shanghai, China 22-24 April 2011 Published by the AquaFish Collaborative Research Support Program AquaFish CRSP is funded in part by United States Agency for International Development (USAID) Cooperative Agreement No. EPP-A-00-06-00012-00 and by US and Host Country partners. ISBN 978-1-888807-19-6