World Aquaculture 1 WORLD AQUACULTURE Magazine World Aquaculture magazine is published by the World Aquaculture Society. The home office address is: World Aquaculture Society, 143 J.M. Parker Coliseum, Louisiana State University, Baton Rouge, Louisiana 70803, USA. Tel: +1-225-578-3137; Fax: +1-225-578-3493; e-mail: carolm@was.org. World Aquaculture Society Home Page: http://www.was.org WORLD AQUACULTURE SOCIETY OFFICERS, 2011-2012 President, Dr. Ricardo Martino President-elect, Dr. Kevan Main Past President, Dr. Jay Parsons Secretary, Dr. Rebecca Lochmann Treasurer, Dr. William Daniels DIRECTORS Dr. Michael Schwarz Dr. Jeong Yeol Lee Dr. David Little Dr. Yoram Avnimelech Dr. Juan Pablo Lazo Dr. Jimmy Avery CHAPTER REPRESENTATIVES Lucas Manomaitis (Asian Pacific) Gary Fornshell (USAS) Maria Celia Portello (Latin America and Caribbean) Dr. Ik Kyo Chung (Korea) Hiroshi Fushimi (Japan) HOME OFFICE STAFF Carol Mendoza, Director, carolm@was.org Judy E. Andrasko, Assistant Director, JudyA@was.org WORLD AQUACULTURE EDITORIAL STAFF John Hargreaves, Editor-in-Chief Mary Nickum, Editor Amy Broussard, Layout Editor WAS CONFERENCES AND SALES John Cooksey, Director of Conferences and Sales World Aquaculture Conference Management P.O. Box 2302 Valley Center, CA 92082 Tel: +1-760-751-5005; Fax: +1-760-751-5003 e-mail: worldaqua@aol.com Manuscripts and Correspondence: Submit two (2) copies of all manuscripts and one (1) copy of correspondence to Mary Nickum, Editor, World Aquaculture Magazine, 16201 E. Keymar Drive, Fountain Hills, AZ 85268 USA. E-mail: mjnickum@ gmail.com. Letters to the Editor or other comments should be addressed to Editor-in-Chief John Hargreaves, 6950 Boone Drive, Bayton Rouge, LA 70808 USA. World Aquaculture (ISSN Number 1041-5602) is published quarterly by the World Aquaculture Society, 143 J.M. Parker Coliseum, Louisiana State University, Baton Rouge, Louisiana 70803 USA. Library subscriptions are $50 annually for United States addresses, and $65 annually for addresses outside the United States. Individual subscriptions are a benefit of membership in the World Aquaculture Society. Annual membership dues: Students, $45; Individuals, $65; Corporations (for-profit), $255; Sustaining, $105 (individuals or non-profits); Lifetime (individuals), $1,100; E-Membership, $10 (no publications, meeting discounts and not an active member in last five years). Periodicals Postage paid at Baton Rouge, Louisiana and additional mailing offices. Twenty-five percent of dues is designated for a subscription to World Aquaculture magazine. Postmaster: Send address changes to the World Aquaculture Society, 143 J.M. Parker Coliseum, Louisiana State University, Baton Rouge, Louisiana 70803 USA. ©2012, The World Aquaculture Society. ■ W RLD AQUACULTURE Vol. 43 No. 2 June 2012 Cover: Aquaculture in the Czech Republic is characterized by extensive and semi-intensive fish farming in ponds. See page 20. (Continued on page 2) 15 Geothermal tilapia aquaculture — Pushing the efficiency envelope Mike H. Hosford 18 AQUA 2012: Science responds to industry needs 20 Aquaculture in the Czech Republic in 2012: A prosperous and modern European sector based on a thousand-year history of pond culture Zdeněk Adámek, Otomar Linhart, Michal Kratochvíl, Martin Flajšhans, Tomáš Randák, Tomáš Policar, Pavel Kozák 29 Aquaculture in The Gambia Michael A. Rice, Famara Sambou Darboe, Ousman Drammeh, and Kanyi Babanding 34 Spawning and larval rearing of goldlined seabream, Rhabdosargus sarba on Abu Al Abyad Island, United Arab Emirates Omer M. Yousif, Kumar M. Krishna, Bui V. Hung, A-Fatah A. Ali and Do V. Minh 38 Jatropha meal, a promising plant protein source in aquafeed development Vikas Kumar, Olesia Gavryliuk, Amit Kumar Sinha, Debtanu Barman, Eef De Clercq, Apu Das and Sagar C. Mandal 46 Water quality requirements for culture of the green sea urchin, Strongylocentrotus droebachiensis Atle Mortensen, Sten I. Siikavuopio and Philip James 52 Economic fishery from Procambarus introductions into Spain Albert P. Gaudé 57 Lax biosecurity threatens whiteleg shrimp health on small farms: A policy and research challenge to India C. Regunathan and M.R Kitto 59 Marine snow: Its formation and significance in fisheries and aquaculture Pragyan Dash, Dipanjan Kashyap and Sagar C. Mandal 62 Stress and stressors: The role of heat shock proteins Debtanu Barman, Vikash Kumar, Sagar C. Mandal, Suvra Roy and Kundan Kumar
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