Faculty Projects and Publications

Publications

Izquierdo, M., Forster, I., Divakaran, S., Conquest, L., Decamp, O. & A. Tacon. (2006). Effect of green water and clear water and lipid source on survival, growth and biochemical composition of Pacific white shrimp Litopenaeus vannamei. Aquaculture Nutrition, 12: 192-202.

Tacon, A.G.J., Hasan, M.R., Subasinghe, R.P. (2006). Use of fishery resources as feed inputs for aquaculture development: trends and policy implications. FAO Fisheries Circular No. 1018, Rome, Italy.

Tacon, A.G.J. (2005). Salmon aquaculture dialogue: status of information on salmon aquaculture feed and the environment. International Aquafeed, 8(4): 22-37.

Tacon, A.G.J. & S.F. Nates. (2005). Feed quality testing: measuring in vivo, in vitro digestibility. Global Aquaculture Advocate, 8(6): 44-45.

Tacon, A.G.J. (2005). State of information on salmon aquaculture feed and the environment. Report prepared for the WWF US Initiated Salmon Aquaculture Dialogue. 80p. Electronic document available at www.worldwildlife.org/cci/dialogues/salmon.cfm

Tacon, A.G.J., Nates, S.F. and R.J. McNeil. (2005). Overview of farming systems for marine shrimp with particular reference to feeds and feeding. In: Shrimp Culture: Economics, Market and Trade. Blackwell Publishing (In Press)

Tacon, A.G.J. (2005). Aquaculture country statistical profile: Chine—an awakening and hungry giant. International Aquafeed, 8(2): 34-35.

Tacon, A.G.J., Nates, S.F. and R.J. McNeil. (2005). Feeding strategies vary for shrimp producers. Global Aquaculture Advocate, 8(2): 79-81.

Tacon, A.G.J., Nates, S.F. and R.J. McNeil. (2004). Dietary feeding strategies for marine shrimp: a review. In: L. Elizabeth Cruz Suarez, Denis Ricque Marie, Martha Gpe. Nieto Lopez, David A. Villarreal Cavazos, Ulrike Scholz and Mayra L. Gonzalez Felix (Editors), Proceedings of the VII International Symposium on Aquaculture Nutrition, Hermosillo, Mexico, 16-19 November 2004. Programa Maricultura, Facultad de Ciencia Biologicas, Universidad Autonoma de Nuevo Leon, Mexico.

Tacon, A.G.J. (2004). Estimated major finfish and crustacean aquafeed markets: 2000 to 2003. International Aquafeed, 7(5): 37-41.

Tacon, A.G.J. (2004). The recycling of nutrients within food wastes within aquatic food production systems: aquaculture—the aquatic blue revolution phenomenon. In: Waldron, K.W., Faulds, C.B. and Smith, A.C. (Editors), Total Food 2004: Exploiting Co-products, Minimising Waste. Institute of Food Research, Norwich, England (In Press)

Tacon, A.G.J. (2004). Use of fish meal and fish oil in aquaculture: a global perspective. Aquatic Resources, Culture and Development, 1(1): 3-14.

Moss, S.M., Forster, I.P. and Tacon, A.G.J. (2004). Sparing effects of pond water on vitamins, minerals, and protein Levels in shrimp diets. Aquaculture (in press).

Tacon, A.G.J. (2004). Aquaculture 2002: over 50 million tonnes and climbing. International Aquafeed Directory and Buyers Guide 2004. Turret RAI plc, Armstrong House, Uxbridge, Middlesex, England, pp. 2-8.

Tacon, A.G.J. (2004). Fish meal and fish oil use in aquaculture: global overview and prospects for substitution, pp. 433-448. In: T.P. Lyons and K.A. Jacques (editors), Nutritional Biotechnology in the Feed and Food Industries. Proceedings of Alltech’s 20th Annual Symposium. Nottingham University Press, Nottingham, UK.

Tacon, A.G.J. (2003). Fish meal and fish oil use in shrimp diets: present and future, pp. 219-220. In: Jory, D.E. (Editor), Responsible Aquaculture for a Secure Future: Proceedings of a Special Session on Shrimp Farming. World Aquaculture 2003. The World Aquaculture Society, Baton Rouge, LA, USA.

Nates, S.F. and Tacon, A.G.J. (2003). New ingredients for shrimp feeds: status and opportunities, pp. 247-252. In: Jory, D.E. (Editor), Responsible Aquaculture for a Secure Future: Proceedings of a Special Session on Shrimp Farming. World Aquaculture 2003. The World Aquaculture Society, Baton Rouge, LA, USA.

Nates, S.F. and Tacon, A.G.J. (2003). New ingredients for shrimp feeds. 11. Arachidonic acid, nucleotides, algae, seaweed. The Global Aquaculture Advocate, 6(5): 34-37.

Nates, S.F. and Tacon, A.G.J. (2003). New ingredients for shrimp feeds. 1. Yeast glucans provide protein, vitamins, viral resistance. The Global Aquaculture Advocate, 6(4): 52-54.

Tacon, A.G.J. and Forster, I.P. (2003). Aquafeeds and the environment: policy implications. Aquaculture, 226(1-4): 181-189.

Tacon, A.G.J. (2003). Growing Requirements for Fish Meals and Fish Oils, pp. 27-42. In: Bechtel, P.J. (editor), Advances in Seafood Byproducts: 2002 Conference Proceedings. Alaska Sea Grant College Program, University of Alaska Fairbanks, Fairbanks, 566 pp.

Tacon, A.G.J. (2003). Fish Farming. pp. 2479-2486. In: B. Caballero, L. Trugo and P.M. Finglas (Eds.), Encyclopedia of Food Sciences and Nutrition, Second Edition. Academic Press, London and New York.

Tacon, A.G.J. (2003). Global trends in aquaculture and compound aquafeed production—a review. International Aquafeed Directory and Buyers' Guide 2003. pp. 8-23. Turret West Ltd, Bartham Press, Luton, UK.

Tacon, A.G.J. (2003). Aquaculture production trends analysis, pp.5-29. In: Review of the State of World Aquaculture. FAO Fisheries Circular No.886, Rev.2. Rome, FAO. 2003. 95p.

Tacon, A.G.J. (2003). Aquatic Feeds and Nutrition: Report reviews feed practices in shrimp aquaculture. The Global Aquaculture Advocate, 6(2): 62.

Forster, I., Dominy, W. and Tacon, A.G.J. (2003). Rendered meals workable feed ingredients for Pacific white shrimp. The Global Aquaculture Advocate, 6(2): 60-61.

Tacon, A.G.J. (2003). Aquatic Feeds and Nutrition: Trial finds extruded feeds superior to steamed pellets. The Global Aquaculture Advocate, 6(1): 44-45.

Decamp, O., Cody, J., Conquest, L., Delanoy, G. and Tacon, A.G.J. (2003). Effect of salinity on natural community and production of Litopenaeus vannamei (Boone), within experimental zero-water exchange culture systems. Aquaculture Research, 34: 1-11.

Forster, I.P., Dominy, W., L. Obaldo and Tacon, A.G.J. (2003). Rendered meat and bone meals as ingredients of diets for shrimp Litopenaeus vannamei (Boone, 1931). Aquaculture, 219(1-4): 655-670.

Tacon, A.G.J. (2002). Aquatic Feeds and Nutrition: Antinutritional factors limit use of plant feedstuffs. The Global Aquaculture Advocate, 5(6): 66-68.

Tacon, A.G.J. (2002). Publication of FAO technical guidelines on good aquaculture feed manufacturing practice. International Aqua Feed, 5(3): 31-32.

Forster, I.P., Dominy, W. and Tacon, A.G.J. (2002). Use of soy protein concentrates in shrimp feeds. International Aqua Feed, 5(3): 17-19.

Tacon, A.G.J. and Nates, S.F. (2002). Aquatic Feeds and Nutrition: Role of hormones in shrimp growth, reproduction. The Global Aquaculture Advocate, 5(4): 24-25.

Tacon, A.G.J. (2002). Global Review of Feeds and Feed Management Practices in Shrimp Aquaculture. Report prepared under the World Bank, NACA, WWF and FAO Consortium Program on Shrimp Farming and the Environment. Work in Progress for Public Discussion. Published by the Consortium. 68 pages. (www.enaca.org/shrimp)

Hardy, R.W. and Tacon, A.G.J. 2002. Fish meal: historical uses, production trends and future outlook for supplies, pp.311-325. In: Stickney, R.R. and MacVey, J.P. (Eds.), Responsible Marine Aquaculture. CABI Publishing, New York, 391pp.

Tacon, A.G.J. 2002. Aquatic Feeds and Nutrition: Shrimp feeds and management: golden rules for success. The Global Aquaculture Advocate, 5(3): 34.

Tacon, A.G.J. and Forster, I.P. 2002. Aquatic Feeds and Nutrition: No single solution: effluent management requires tailored policies that reflect production diversity. The Global Aquaculture Advocate, 5(2): 30-31.

Tacon, A.G.J., J.J. Cody, L.D. Conquest, S. Divakaran, I.P. Forster and O.E. Decamp. 2002. Effect of culture system on the nutrition and growth performance of Pacific white shrimp Litopenaeus vannamei (Boone) fed different diets. Aquaculture Nutrition, 8(2): 121-139.

Obaldo, L.G., Divakaran, S. and Tacon, A.G.J. 2002. Method for determining the physical stability of shrimp feeds in water. Aquaculture Research, 33(5): 369-377.

Decamp, O., Conquest, L., Forster, I. and Tacon, A.G.J. 2002. The nutrition and feeding of marine shrimp within zero-exchange aquaculture production systems: Role of eukaryotic microorganisms, pp.79-84. In: Microbial Approaches to Aquatic Nutrition within Environmentally Sound Aquaculture Production Systems, C.S. Lee and P. O’Bryen (editors). The World Aquaculture Society, Baton Rouge, Louisisana, USA.

Tacon, A.G.J. and Brister, D.J. 2002. IFOAM drafts basic standards for organic aquaculture production. Aquatic Feeds and Nutrition. The Global Aquaculture Advocate, 5(1): 21-22

Tacon, A.G.J. and Brister, D.J. 2002. Organic aquaculture: current status and future prospects, pp. 163-176. In: Nadia El-Hage Scialabba and Caroline Hattam (Eds.), Organic agriculture, environment and food security. Environment and Natural Resources Service, Sustainable Development Department. FAO, Rome, Italy, 252p.

Moss, S.M., Arce, S.M., Argue, B.J., Otoshi, C.A., Calderon, F.R.O. and Tacon, A.G.J. 2001. Greening of the blue revolution: efforts toward environmentally responsible shrimp culture, p.1-19. In: Browdy, C.L. and Jory, D.E. (editors), The New Wave, Proceedings of the Special Session on Sustainable Shrimp Culture, Aquaculture 2001. The World Aquaculture Society, Baton Rouge, LA USA.

Tacon, A.G.J. 2001. Aquatic Feeds and Nutrition: Minimizing environmental impacts of shrimp feeds. The Global Aquaculture Advocate, 4(6): 34-35.

Hardy, R.W., Higgs, D.A., Lall, S.P. and Tacon, A.G.J. 2001. Alternative dietary protein and lipid sources for sustainable production of salmonids. Fisken og Havet, No.8, 53pp. (May 31, 2001: Institute of Marine Research, Bergen, Norway)

Tacon, A.G.J. and I.P. Forster. 2001. Biotechnology in aquatic feeds. In: Biotechnology-Aquaculture Interface: The Site of Maximum Impact Workshop. Organized by the Agricultural Research Service, United States Department of Agriculture (Beltsville, Maryland) and The Oceanic Institute (Waimanalo, Hawai‘i). National Conservation and Training Center, U.S. Fish and Wildlife Center, Shepherdstown, West Virginia, March 5-7, 2001. www.nps.ars.usda.gov/static/arsoibiotecws2001/contributions/Forster.htm

Tacon, A.G.J. 2001. Aquatic Feeds and Nutrition: FAO to publish GMP guidelines for aquafeed manufacturing. The Global Aquaculture Advocate, 4(5): 55.

Tacon, A.G.J. 2001. Desarrollo de alimentos acuicolas en el nuevo milenio. Panorama Acuicola, 6(5):3 8-41.

Tacon, A.G.J. and M.C. Haring. 2001. Application and transfer of OI technologies on aquatic feeds and nutrition to marine ornamentals, pp.123-127. In: Proceedings of the Marine Ornamentals ’99 Conference, Waikoloa, Hawai‘i, November 16-19, 1999. University of Hawai‘i Sea Grant Publication CP-00-04

Tacon, A.G.J. and U.C. Barg. 2001. Responsible aquaculture for the next millennium, pp. 1-26. In: L.M.B. Garcia (editor), Proceedings of the Seminar-Workshop on Responsible Aquaculture Development in Southeast Asia organized by the SEAFDEC Aquaculture Department, 12-14 October 1999, Iloilo City, Philippines. Southeast Asian Fisheries Development Center, Iloilo City, Philippines, 274p.

Tacon, A.G.J. 2001. Desarrollo de alimentos acuicolas en el nuevo milenio. Panorama Acuicola, July/August 2001, pp.38-41.

Izquierdo, M.S., Fernandez-Palacios, H. and Tacon, A.G,J, 2001. Effect of broodstock nutrition on reproductive performance of fish. Aquaculture, 197:25-42.

Tacon, A.G.J. 2001. Aquatic Feeds and Nutrition: Aquaculture production exceeds its pelagic consumption. The Global Aquaculture Advocate, 4(3): 21.

Conklin, D.E. and A.G.J. Tacon (Compilers). 2001. Source book of scientific publications (1976-1999) on the Pacific white shrimp Litopenaeus vannamei (Farfante and Kensley 1997), with particular reference to nutrition and feeds. The Oceanic Institute, Waimanalo, Hawaii, 232p.

Tacon, A.G.J. 2001a. Increasing the contribution of aquaculture for food security and poverty alleviation, pp.67-77. In: R.P. Subasinghe, P. Bueno, M.J. Phillips, C. Hough and S.E. McGladdery (Eds.) Aquaculture in the Third Millennium. Technical Proceedings of the Conference on Aquaculture in the Third Millennium, Bangkok, Thailand, 20-25 February 2000.

Tacon, A.G.J. 2001. Aquatic Feeds and Nutrition: Ecofeeds and the coming wave of ecotechnology. The Global Aquaculture Advocate, 4(2): 68-69.

Argue, B.J., J.J. Cody, S.M. Arce, I.P. Forster, S.M. Moss and A.G.J. Tacon. 2001. Aquatic Feeds and Nutrition: Shrimp breeding for low-protein or vegetable-protein diets unnecessary. The Global Aquaculture Advocate, 4(2): 15-16.

Tacon, A.G.J. and G.D. Pruder. 2001. Opportunities and challenges to organic certification of aquatic animal feeds, pp.26-42. In: Deborah J. Brister and Anne R. Kapuscinski (Eds), Final Report of the National Organic Aquaculture Workshop. 23-24 June 2000, Institute for Social Economic and Ecological Sustainability, University of Minnesota, St. Paul, Minnesota, USA.

Obaldo, L.G. and A.G.J. Tacon. 2001. Manufacturing different feed sizes and its effect on pellet water stability and growth of three size classes of Pacific white shrimp, Litopenaeus vannamei. Journal of Applied Aquaculture, 11(4): 57-66.

Tacon, A.G.J. and L.G. Obaldo. 2001. Aquatic Feeds and Nutrition: Determining physical stability of shrimp feeds. The Global Aquaculture Advocate, 4(1): 30-31.

Tacon, A.G.J. and I.P. Forster. 2000. Global trends and challenges to aquaculture and aquafeed development in the new millennium. International Aquafeed Directory and Buyers Guide 2001. pp. 4-25. Turret RAI, Uxbridge, Middlesex, UK.

Subasinghe, R.P., Barg, U. and Tacon, A. 2000. Chemicals in Asian aquaculture: need, usage, issues and challenges, pp.1-5. In: Arthur, J.R., Lavilla-Pitog, C.R. and Subasinghe, R.P. (eds), Use of Chemicals in Aquaculture in Asia. Proceedings of the Meeting on the Use of Chemicals in Aquaculture in Asia, 20-22 May 1996, Tigbauan, Iloilo, Philippines. Publihed by the Southeast Asian Fisheries Development Center (SEAFDEC), Tigbauan, Iliolo, Philippines.

Csengeri, I. and A.G.J. Tacon. 2000. Progress in freshwater fish and crustacean nutrition methodology and needs for research for semi-intensive pond based farming systems, pp.7-17. In: I. Csengeri, A. Szito, Z.G. Papp and A.G.J. Tacon (Editors), Fish and Crustacean Nutrition Methodology and Research for Semi-intensive Pond-based Farming Systems. HALASZATFEJLESZTES 23 – Fisheries Development, Vol. 23, HAKI, Szarvas, Hungary.

Csengeri, I., A. Szito, Z.G. Papp and A.G.J. Tacon (Editors) 2000, Fish and Crustacean Nutrition Methodology and Research for Semi-intensive Pond-based Farming Systems. HALASZATFEJLESZTES 23 – Fisheries Development, Vol. 23, HAKI, Szarvas, Hungary.

Tacon, A.G.J. 2000. Aquatic Feeds and Nutrition: Nutritional disorders and aquatic animal health. The Global Aquaculture Advocate, 3(6): 40-41.

Tacon, A.G.J. and I.P. Forster. 2000. Trends and challenges to aquaculture and aquafeed development in the new millennium. In: L.E. Cruz-Suarez, D. Ricque-Marie, M. Tapia-Salazar, M.A. Olvera-Novoa, and R. Civera-Cerecedo (editors). Avances en Nutrición Acuicola V. Memorias del V Simposium Internacional de Nutrición Acuicola, Mérida, Yucatan, Mexico. pp. 1-12.

Divakaran, S., M. Velasco, E. Beyer, I. Forster, and A.G.J. Tacon. 2000. Soybean meal apparent digestibility for Litopenaeus vannamei, including a critique of methodology. In: L.E. Cruz-Suarez, D. Ricque-Marie, M. Tapia-Salazar, M.A. Olvera-Novoa, and R. Civera-Cerecedo (editors). Avances en Nutrición Acuicola V. Memorias del V Simposium Internacional de Nutrición Acuicola, Mérida, Yucatan, Mexico. pp. 267-276.

Tacon, A.G.J. and M.S. Izquierdo. 2000. Aquatic Feeds and Nutrition: Broodstock nutrition: Boost diets for better reproduction. The Global Aquaculture Advocate, 3(5): 32-33.

Tacon, A.G.J. 2000. Rendered animal by-products: A necessity in aquafeeds for the new millennium. The Global Aquaculture Advocate, 3(4): 18-19.

Tacon, A.G.J. 2000. Production of feeds for aquatic organisms in tropics with particular reference to Latin America and Caribbean. In: Proceedings - VIII Simpósio Brasiliero de Aqüicultura, J.E. Cyrino, J.C. Moura, A.C. Caseiro, and A.M.B. Sampaio (editors). Fundaçao de Estudos Agrários Luiz de Queiroz, Piracicaba, SP, Brasil. pp. 17-31.

Tacon, A.G.J. 2000. Aquatic Feeds and Nutrition: Feed development guidelines for closed indoor farming systems. The Global Aquaculture Advocate, 3(3): 16.

Tacon, A.G.J. 2000. Aquatic Feeds and Nutrition: Aquafeeds and the Oceanic Institute's AQUAFAN program - Part 2: Research programs and activities. The Global Aquaculture Advocate, 3(1): 12-13.

Tacon, A.G.J. and E. Cruz-Suarez. 2000. Gestion de la acuicultura “Alimentacion y Nutricion”. Panorama Acuicola, 5(2): 52-53.

Tacon, A.G.J. and S. Fraser Dominy. 2000. Aquaculture: Set to continue its upward trend. Feed International, 21(1):48-50.

Divakaran, S. and A.G.J. Tacon. 2000. Studies on the toxicity of shrimp (Penaeus vannamei ) fed diets dosed with aflatoxin B1 to humans. Journal of Aquatic Food Product Technology, 9(3): 115-120.

Tacon, A.G.J. and U.C. Barg. 2000. Trends in aquaculture production and nutrient supply. Encyclopedia of Life Support Systems - EOLSS; UNESCO, Paris.

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Invited Presentations (2000-2005):

Invited Speaker – The future of aquaculture: environmental consequences and new feed materials. Global Feed and Food Congress (organized by the International Feed Industry Federation and FAO), Sao Paolo, Brazil, 11-13 July, 2005.

Invited Speaker – Feeds and feeding technologies. Malawi National Aquaculture Seminar, Lilongwe, Malawai, 31 May – 1 June 2005.

Invited Speaker – Ecological mathematics of fish production: can we feed the world on carnivores?, Farming Ocean Carnivores: The Science, Economics and Politics of Rapidly Expanding Fish Aquaculture. 2005 Annual Meeting of the American Association for the Advancement of Science – The Nexus: Where Science meets Society, Washington D.C., 17-21 February 2005.

Invited Speaker – Dietary feeding strategies for marine shrimp: a review. VII International Symposium on Aquaculture Nutrition, Hermosillo, Mexico, 16-19 November 2004.

Invited Speaker – Tendencia mundial en nutricion en acuicultura: alimentos y alimentacion. First International Aquaculture Symposium, Bariloche, Argentina, 12 – 13 October 2004.

Invited Speaker – Nutrcion acuicola en Camaron y Tilapia. 1 Seminario Acuícola, Hotel Herradura, San Juan, Costa Rica, 23 September 2004.

Invited Keynote Speaker – Global trends in marine aquaculture: can aquaculture fill the gap from marine capture fisheries. II Simposio Brasileiro de Oceanografia, Instituto Oceanografico, Universidade de Sao Paulo, Sao Paulo, Brasil, 31 May – 4 June 2004.

Invited Keynote Speaker – The recycling of nutrients within food wastes within aquatic food production systems: aquaculture – the aquatic blue revolution phenomenon. Total Food 2004, Institute of Food Research, Norwich, England, 25-28 April 2004.

Invited Speaker – Long term sustainability of using marine protein and lipid sources within compound aquafeeds for marine shrimp. Aquaculture 2004. Annual Meeting of the World Aquaculture Society, Hawai‘i Convention Center, Hawai‘i, USA, 1-5 March 2004.

Invited Speaker – Seaweeds: a viable candidate for organic aquaculture production in Hawai‘i. Aquaculture 2004. Annual Meeting of the World Aquaculture Society, Hawai‘i Convention Center, Hawai‘i, USA, 1-5 March 2004.

Invited Speaker – Malnutrition: the number one global killer. Aquaculture 2004. Annual Meeting of the World Aquaculture Society, Hawai‘i Convention Center, Hawai‘i, USA, 1-5 March 2004.

Invited Speaker – Increased pressure on wild fisheries session: feed issues. Salmon Aquaculture Dialogue, World Wildlife Fund, Washington DC, USA, 13-14 February 2004.

Invited Speaker – Opportunities and constraints for low food chain aquatic species. International Organic Aquaculture Workshop. Institute for Social, Economic and Ecological Sustainability, University of Minnesota, Minneapolis, 11-12 July 2003.

Invited Speaker – Challenges and opportunities in shrimp feeds and feeding. World Aquaculture 2003. Annual Meeting of the World Aquaculture Society, Bahia Convention Center, Salvador, Brazil, 19-23 May 2003.

Invited Speaker - Fish meal and fish oil use in shrimp diets: present and future. World Aquaculture 2003. Annual Meeting of the World Aquaculture Society, Bahia Convention Center, Salvador, Brazil, 19-23 May 2003.

Invited Speaker – Trends in global aquaculture production. Hawaii Aquaculture Conference 2003, Kane‘ohe, Hawai‘i, 7 May 2003.

Invited Keynote Speaker - Sustainable aquaculture feeds: an overview and global perspective. Sustainable Environmental Aquaculture Feeds (SEAfeeds) Workshop, Stirling, Scotland, 8-9 April 2003.

Invited Speaker - Feeds and feeding in shrimp farming: challenges and opportunities. Meeting of the Brazilian Shrimp Farmers Association. Natal, Brazil, 18 February 2003.

Invited Speaker – Feeds and feeding in shrimp farming: challenges and opportunities. Workshop on Responsible Shrimp Farming. Antananarivo, Madagascar, 3-5 December 2002.

Invited Speaker – Growing requirements for fish meals and fish oils. 2nd International Seafood Byproducts Conference, Anchorage, Alaska, 10-13 November 2002.

Invited Keynote Speaker – Aquaculture today and tomorrow. Challenges and Opportunities for Aquaculture Development. State College, Pennsylvania, 24-26 October 2002.

Invited Speaker – Government policies and guidelines for minimizing the environmental impacts of aquaculture feeds: A discussion. Aquaculture Interchange Program Workshop: Management of Aquaculture Effluents, East-West Center, Honolulu, Hawaii, 6-9 May 2002.

Invited Speaker – The Aquaculture Paradox: Does Fish Farming Supplement of Deplete World Fisheries. 16th Annual Meeting of the American Association for the Advancement of Science, San Francisco, 15-20 February 2001.

Invited Speaker - Opportunities and challenges to organic certification of aquatic animal feeds. National Organic Aquaculture Workshop, St. Paul, Minnesota, 23-24 June, 2000.

Invited Speaker - Use of rendered products for aquaculture. Latin American Rendered Products Nutrition Conference, Cancun, Mexico, 13-14 July 2000.

Invited Keynote Speaker - Trends and challenges to aquaculture and aquafeed development in the new millennium. V International Symposium on Aquaculture Nutrition, Mérida, Mexico, 19-23 November 2000

Invited Speaker - Aquatic feeds and feeding regimes for environmentally sound aquaculture. Annual Meeting of the World Aquaculture Society, New Orleans, Louisiana, 2-5 February 2000.

Invited Keynote Speaker - Increasing the contribution of aquaculture for food security and poverty alleviation. Conference on Aquaculture in the Third Millennium, Bangkok, Thailand, 20-25 February 2000.

Invited Keynote Speaker - The contribution of aquaculture to food security and poverty alleviation. 2nd International Symposium on Aquaculture, Lima, Peru, 27-29 September 2000.

Invited Speaker - The contribution of aquaculture to food security. Annual Meeting of the Pew Fellows Program in Marine Conservation, La Paz, Mexico, 1-5 November 2000.