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Table of contents

Plenary

Delivering Better Quality Tilapia Seed To Farmers
Pages 3-17
David Little
Full paper Presentation

Tilapia Culture in China
Pages 18-29
Lai Qiu Ming and Yang Yi
Full paper  |  Presentation

Genetics

Effects of Rearing Conditions on Low-Temperature Tolerance of Nile Tilapia, Oreochromis niloticus, Juveniles
Pages 30-41
Harrison Charo-Karisa, Mahmoud Rezk, Henk Bovenhuis, and Hans Komen
Full paper  |  Presentation

Selection for Live Weight in GIFT Strain of Nile Tilapia (Oreochromis niloticus)
Pages 42-52
Raul W. Ponzoni, Azhar Hamzah, and Norhidayat Kamaruzzaman
Full paper  |  Presentation

A New Era: The Merging of Quantitative and Molecular Genetics - Prospects for Tilapia Breeding Programs
Pages 53-59
Hans Magnus Gjřen
Full paper  |  Presentation 

Preliminary Study on Growth, Feed Conversion and Production in Normal and Improved Strains of Nile tilapia Oreochromis niloticus
Pages 60-72
Mohammad T. Ridha
Full paper Presentation 

Selection From an Interspecific Hybrid Population of Two Strains of Fast Growing and Salinity Tolerant Tilapia
Pages 73
Westly R. Rosario, Cyril Georget, Bernard Chevassus-Au-Louis, Pierre Morissens, Nerafe C. Muyalde, Angelito E. de la Cruz, Efren de Vera and Jean-Paul Poivey
Full paper  |  Presentation

Nationwide Dissemination of GET EXCEL Tilapia in the Philippines
Pages 74-88
Melchor M. Tayamen
Full paper  |  Presentation

Comparative Pond Performance Evaluation of GenoMar ASA and GenoMar Supreme TilapiaTM GST1 and GST3 Groups
Pages 89
Sergio Zimmermann and Jose Natividad
Full paper  |  Presentation

Divergent Selection for Growth in the Development of a Female Line for the Production of Improved Genetically Male Tilapia (GMT) In Oreochromis niloticus L.
Pages 90-103
Jose A. Abucay and Graham C. Mair
Full paper  |  Presentation

Methods of Identifying Males with YY Genotype in Oreochromis niloticus L.
Pages 104-111
Jose S. Abucay and Graham C. Mair
Full paper  |  Presentation

Reproduction and Sex Control

Studies on Certain Aspects of the Reproductive Biology of Mouth-brooding Tilapia, Oreochromis mossambicus (Peters) from Assam
Pages 112-126
G. Hatikakoty and S.P. Biswas
Full paper  |  Presentation

Sex Reversal of Nile Tilapia, Oreochromis niloticus L. by Egg Immersion Technique: The Effect of Hormone Concentration and Immersion Time
Pages 127-136
Arsenia G. Cagauan, Francis N. Baleta and Jose S. Abucay
Full paper  |  Presentation

Socorro-Claveron-Velarde (SCV) Artificial Fish Eggs Incubator for Intensive Tilapia Hatchery System
Pages 137-141
Dennis V. del Socorro, Arnaldo Romeo A. Claveron, and Arnold V. Velarde
Full paper Presentation

Comparisons of Reproductive Parameters Among Improved Strains of Nile Tilapia Oreochromis niloticus L.
Pages 142-158
Graham C. Mair, Sukonta Lakapunrat, Wilson L. Jere, and Amrit Bart
Full paper  |  Presentation

Health Management and Disease

Effect of Supplementary Dietary L-Ascorbic Acid (Vitamin C) on Mercury Detoxification, Physiological Aspects and Growth Perfomance of Nile Tilapia (Oreochromis niloticus L.)
Pages 159-171
Mohsen Abdel-Tawwab, Adel M.E. Shalaby, Mohammad H. Ahmad and Yassir A.E. Khattab
Full paper  |  Presentation

Effect of Aflatoxin-Contaminated Feeds in Nile Tilapia (Oreochromis niloticus L.)
Pages 172-178
Arsenia G. Cagauan, Roselyn H. Tayaban, Joselito R. Somga and Rodora M. Bartolome
Full paper Presentation

Evaluation of Botanical Piscicides on Nile Tilapia Oreochromis niloticus L. and Mosquito fish Gambusia affinis Baird and Girard
Pages 179-187
Arsenia G. Cagauan, Marjorie C. Galaites and Lorenz P. Fajardo
Full paper  |  Presentation

Effect of Methylene Blue and Sodium Chloride on the Bacterial Load in the Transport Water with Nile Tilapia (Oreochromis niloticus L.) Fingerlings
Pages 188-198
Remedios B. Bolivar, Michael Angelo D. Aragones and Gemerlyn G. Garcia
Full paper  |  Presentation

Epidemiological Studies on Some Fish Borne Parasites
Pages 199
M.A. El-Seify, A.-R.Y. Desouky and E.K. Bazh
Full paper  |  Presentation

Toxicity of Aqueous Extracts of Drumstick, Moringa oleifera, Seeds to Nile tilapia, Oreochromis niloticus, Fingerlings and Adults
Pages 200-208
E. O. Ayotunde, O. A. Fagbenro, O. T. Adebayo and A. I. Amoo
Full paper  |  Presentation

The Opposing Effect of Ascorbic Acid (Vitamin C) on Ochratoxin Toxicity in Nile Tilapia (Oreochromis niloticus)
Pages 209-221
Adel M. E. Shalaby
Full paper  |  Presentation

Apoptosis in Ovarian Cells of Nile tilapia (Oreochromis niloticus) Chronically Exposed to Pyrethroid
Pages 222
Rosemarie R. Calma, Cristina F. Olo and Teofila S.. Santos
Full paper  |  Presentation

Acute Toxicity of Ethanolic Extract of Derris elliptica Roots to Oreochromis niloticus Fingerlings
Pages 223-228
Akinbulumo, M.O., Fagbenro, O.A. and Fasakin, E.A.
Full paper  |  Presentation

Bacterial Causes of Fin Rot in Some Fresh Water Fishes
Pages 229
Enany, M.E., El Sayed, M.E., Diab, A.S., Hassan, S.M. and El-Gamal, R.M.
Full paper  |  Presentation

Size Dependent Cannibalism in Juvenile Nile Tilapia (Oreochromis niloticus)
Pages 230-240
Yonas Fessehaye, Mahmoud Rezk, Henk Bovenhuis and Hans Komen
Full paper Presentation

Nutrition

An Overview of Lipid Nutrition with Emphasis on Alternative Lipid Sources in Tilapia Feeds
Pages 241-248
Wing-Keong Ng and Cheong-Yew Chong
Full paper  |  Presentation

Effect of Dietary Protein Levels on Growth Performance and Protein Utilization in Nile Tilapia (Oreochromis niloticus) with Different Initial Body Weights
Pages 249-263
Mohammad H. Ahmad, Mohsen Abdel-Tawwab and Yassir A.E. Khattab
Full paper  |  Presentation

Effect of Protein Level and Stocking Density on Growth Performance, Survival Rate, Feed Utilization and Body Composition of Nile Tilapia Fry (Oreochromis niloticus)
Pages 264-276
Yassir A.E. Khattab, Mohsen Abdel-Tawwab and Mohammad H Ahmad
Full paper  |  Presentation

Comparative Assessment of Roselle (Hibiscus sabdariffa var. sabdariffa) Seed Meal and Kenaf (Hibiscus sabdariffa var. altissima) Seed Meal as Replacement for Soybean Meal in Practical Diets for Fingerlings of Nile Tilapia, Oreochromis niloticus
Pages 277-288
O. A. Fagbenro, T. T. Akande, O. O. Fapohunda and Y. Akegbejo-Samsons
Full paper  |  Presentation

Nutrient Quality of Detoxified Jackbean (Canavalia ensiformis L.) Seeds Cooked in Distilled Water or Trona Solution and Evaluation of the Meals as Substitute for Soybean Meal in Practical Diets for Nile Tilapia, (Oreochromis niloticus), Fingerlings
Pages 289-300
O. A. Fagbenro, E. O. Adeparusi and W. A. Jimoh
Full paper  |  Presentation

Effects of Delayed First Feeding on the Development of the Digestive Tract and Skeletal Muscles of Nile Tilapia, Oreochromis niloticus L.
Pages 301-315
Melodina D. Fabillo, Annabelle A. Herrera, and Jose S. Abucay
Full paper Presentation

Impact of the Quality of First Food on Digestive Enzymes and Development of the Anterior Intestine and Hepatopancreas of Genetically Male Nile Tilapia (GMT), Oreochromis niloticus L.
Pages 316-334
Evangeline E. Jaravata, Annabelle A. Herrera and Jose S. Abucay
Full paper  |  Presentation

Evaluation of Leucaena and Gliricidia Leaf Protein Concentrate as Supplements to Bambara, Vigna subterranean (L.) (Verdc) in the Diet of Oreochromis niloticus
Pages 335-346
E.O. Adeparusi and J.O. Agbede
Full paper  |  Presentation

Uptake of Natural Food and Supplemental Feed by Cultured Nile Tilapia, Oreochromis niloticus (L.), in Laguna de Bay, Philippines.
Pages 347-363
Hartmut Richter, Gonzal, A., Focken, U., and Becker, K.
Full paper  |  Presentation

Protein Nutrition of Farmed Tilapia: Searching for Unconventional Sources
Pages 364-378
Abdel-Fattah M. El-Sayed
Full paper  |  Presentation

Growth Performance and Metabolic Rates of Genetically Improved and Conventional Strains of Nile Tilapia (Oreochromis niloticus L.) Reared Individually and Fed Ad Libitum
Pages 379-401
Mamun Shamsuddin Mohammed, Ulfert Focken, George Francis and Klaus Becker
Full paper  |  Presentation

Brackishwater Culture Systems

Stocking Densities of Nile Tilapia in Shrimp Ponds Under Different Feeding Strategies
Pages 402-420
Yang Yi, K. Fitzsimmons, Wanwisa Saelee and Potjanee Clayden
Full paper  |  Presentation

Brackishwater Culture of Tilapias in the Philippines: An Assessment.
Pages 421-425
Rafael D. Guerrero III and Luzviminda A. Guerrero
Full paper  |  Presentation

Salinity Tolerance of Oreochromis niloticus and O. mossambicus F1 Hybrids and Their Successive Backcross
Pages 426-438
Mateo, Dennis; Aguilar, Riza; Campos, Wilfredo; Katalbas, Ma. Severa Fe; Sanares, Roman; Edra, Rolando; Chevassus, Bernard; Lazard, Jerome; Morrisens, Pierre; Baroiller, Jean Francois; and Rogńon, Xavier
Full paper  |  Presentation 

Effects of Fertilization Rates on Growth Performance of Red Tilapia at Different Salinities
Pages 439-450
Yang Yi, James S. Diana and C. Kwei Lin
Full paper  |  Presentation

Supplemental Feeding for Red Tilapia Culture in Brackishwater
Pages 451-462
Yang Yi, James S. Diana and C. Kwei Lin
Full paper  |  Presentation

Development of Tilapia for Saline Water in the Philippines.
Pages 463-478
M. M. Tayamen, T.A. Abella, R. A. Reyes, Ma. J. C. Danting, A. M. Mendoza, E. B. Marquez, A. C. Salguet, M. M. Apaga and R. C. Gonzales
Full paper  |  Presentation

Culture of Hybrid Red Tilapia (Oreochromis mossambicus x O. niloticus) in Marine Cages: Effects of Stocking Density and Growth
Pages 479-483
Jose Luis Balcazar, Anibal Aguirre, Geovanny Gomez and Walter Paredes
Full paper  |  Presentation

Effect of Stocking Density of Red Hybrid Tilapia (Oreochromis sp.) on Growth and Survival on Tilapia and Shrimp (Litopenaeus vannamei) in Polyculture
Pages 484-486
Alejandro Macdonald-Vera, Neil J. Duncan, Wilfrido M. Contreras-Sánchez, and Kevin Fitzsimmons
Full paper  |  Presentation

Pond Management and Production Systems

Stocking Densities and Fertilization Regimes for Nile Tilapia (Oreochromis niloticus) Production in Ponds with Supplemental Feeding
Pages 487-499
James S. Diana, Yang Yi and C. Kwei Lin
Full paper  |  Presentation

Length-Weight Relationship, Natural Food and Feeding Selectivity of Nile Tilapia; Oreochromis niloticus (L.) in Fertilized Earthen Ponds
Pages 500-509
Mohsen Abdel-Tawwab and Hany I. El-Marakby
Full paper  |  Presentation

Comparative Growth Performance and Feed Utilization of Four Local Strains of Nile Tilapia (Oreochromis niloticus L.) Collected from Different Locations in Egypt
Pages 510-517
Mohsen Abdel-Tawwab
Full paper  |  Presentation

Stocking Ratios of Hybrid Catfish (Clarias macrocephalus x C. gariepinus) and Nile Tilapia (Oreochromis niloticus) in an Intensive Polyculture
Pages 518-528
Nguyen Thanh Long and Yang Yi
Full paper  |  Presentation

Effects of Fertilization and Feeding Strategy on Water Quality, Growth Perfomance, Nutrient Utilization and Economic Return in Nile Tilapia (Oreochromis niloticus) Ponds
Pages 529-543
Dhirendra P. Thakur, Yang Yi, James S. Diana and C. Kwei Lin
Full paper  |  Presentation

Culture of Mixed-Sex Nile Tilapia with Predatory Snakehead
Pages 544-557
Yang Yi, James S. Diana, Madhav K. Shrestha, and C. Kwei Lin
Full paper  |  Presentation

Polyculture of Grass Carp and Nile Tilapia with Napier Grass as the Sole Nutrient Input in the Subtropical Climate of Nepal
Pages 558-573
Narayan P. Pandit, Madhav K. Shrestha, Yang Yi and James S. Diana
Full paper  |  Presentation

Effect of Stocking Sizes on the Yield and Survival of Nile Tilapia (Oreochromis niloticus L.) On-grown in Ponds
Pages 574-583
Remedios B. Bolivar, Eddie Boy T. Jimenez, Jun Rey A. Sugue and Christopher L. Brown
Full paper  |  Presentation

Intensive Tank Culture of Tilapia with a Suspended, Bacterial-Based, Treatment Process
Pages 584-596
James E. Rakocy, Donald S. Bailey, Eric. S. Thoman and R. Charlie Shultz
Full paper  |  Presentation

Integrated Cage-Cum-Pond Culture: Stocking Densities of Caged Climbing Perch in Nile Tilapia Ponds
Pages 597-598
Nguyen Thanh Phuong, Yang Yi, James S. Diana, C. Kwei Lin and Tran Van Bui
Full paper  |  Presentation

Growth Performance of Nile tilapia (Oreochromis niloticus L.) Subjected to Delayed Stocking and Feeding
Pages 599-608
Jose S. Abucay, Herle Mae T. Balderama and Eduardo A. Lopez
Full paper Presentation

Optimization of Stocking Ratios of the GIFT strain of Nile tilapia (Oreochromis niloticus) and Freshwater prawn (Macrobrachium rosenbergii) in Periphyton-based System
Pages 609-623
M. S. Uddin, M. E. Azim, M. A. Wahab and M. S. Haq
Full paper  |  Presentation

Economics, Marketing and Processing

Development of New Products and Markets for the Global Tilapia Trade
Pages 624-633
K. Fitzsimmons
Full paper Presentation

Predator Control of Overpopulation in Cultured Tilapias and the Alternative and the Alternative uses for Stunted Tilapias in Nigeria
Pages 634-647
Oyedapo A. Fagbenro
Full paper  |  Presentation

Feasibility of Shrimp and Tilapia Polyculture in the Northwest of Mexico, with Special Reference to an Economic Study of a Hypothetical Polyculture Farm
Pages 648-649
Francisco J. Martínez-Cordero, Neil J. Duncan, and Kevin Fitzsimmons
Full paper  Presentation

Mixed Sex Culture of Tilapia in Octagonal Concrete Tanks
Pages 650-656
Indar Ramnarine
Full paper  |  Presentation

Regional Reviews

Organic Tilapia Culture in Israel
Pages 657-660
Ana Milstein and Omri Lev
Full paper Presentation

Tilapia Farming in Hungary with the Use of a Geothermal Water Supply
Pages 661-669
László Szathmári, Ferenc Radics, Barna Fodor and Katalin Dankó
Full paper  |  Presentation

Experimental Cage Culture of Nile Tilapia (Oreochromis niloticus), and Red Tilapia (Oreochromis sp.) in Sri Lanka
Pages 670-675
M.H.S. Ariyaratne
Full paper Presentation

Update on Tilapia and Vegetable Production in the UVI Aquaponic System
Pages 676-690
James E. Rakocy, Donald S. Bailey, R. Charlie Shultz and Eric S. Thoman
Full paper Presentation

Tilapia Production and its Global Impacts in Central African Countries
Pages 691-698
Aboubacar Toguyeni
Full paper  |  Presentation

Base Line Data on Age and Growth of Tilapia (Oreochromis mossambicus P.) from Lake Jaisamand, India
Pages 699-708
N.C. Ujjania, L.L. Sharma and A.K. Jain
Full paper  |  Presentation

An Overview of Tilapia Aquaculture in Brazil
Pages 709-710
Fernando Kubitza
Full paper  |  Presentation

Contribution of Aquaculture and Aquatic Resources Management (AARM) Program of the Asian Institute of Technology (AIT) to Tilapia Research
Pages 711-722
Amrit Bart
Full paper  |  Presentation

Posters

Effects of "Crytec" Liquid Ice Technology Treatments on the Shelf Life of Fresh Fish
Pages 723
Ramy Alon and Natan Gollop
Full paper

The Development of the Tail Kidney and Testis of Starved Genetically Male Tilapia (GMT) Nile Tilapia, Oreochromis niloticus L.
Pages 724-732
Ray Joseph R. Badulis, Annabelle A. Herrera, Melodina D. Fabillo and Jose S. Abucay
Full paper

The Development of Integumentary and Skeletal Systems of Starved Nile Tilapia, Oreochromis niloticus L.
Pages 733-740
Marjorie B. Somejo, Annabelle A. Herrera, Melodina D. Fabillo and Jose S. Abucay
Full paper

Component Analysis on the Growth Performance of Tilapia Stocks Reared Communally in Tanks and Cages, with Reference to Microsatellite Variation
Pages 741
Maria Rowena R. Romana-Eguia, Minoru Ikeda and Nobuhiko Taniguchi
Full paper

Development of the Immune System of Previously Starved Nile Tilapia (Oreochromis niloticus L.)
Pages 742-749
Ana Teresa S. Tiongco, Annabelle A. Herrera, Melodina D. Fabillo, and Jose S. Abucay
Full paper

Giant Salvinia (Salvinia molesta) as a Partial Feed for Nile Tilapia (Oreochromis niloticus)
Pages 750-754
C. King, D. McIntosh and K. Fitzsimmons
Full paper

Recycling Wastewater of Intensive Hybrid Clarias Catfish Culture for Semi-intensive Nile Tilapia Culture
Pages  755-762
Yang Yi, Ruechuta Sethteethunyahan, and C. Kwei Lin
Full paper

Management of Organic Matter and Nutrient Regeneration in Pond Bottoms Through Polyculture
Pages 763-772
Yang Yi, James S. Diana and C. Kwei Lin
Full paper

Increasing Part of Tilapia, Oreochromis niloticus in Brasilian Aquaculture: Example of Ribeira Valley in the State of Săo Paulo
Pages 773-774
Olivier Mikolasek, Newton José Rodrigues da Silva, Lionel Dabbadie, Marie-Ines Espagnoli Geraldo Martins, and Jérôme Lazard
Full paper

The Dynamics of Aquaculture Development in the Philippines: Intensification and Extensification in the Milkfish and Tilapia Production Sectors
Pages 775-776
Pierre Morissens, Camille Saint Macary, Benoît Grandmougin, and Jérôme Lazard
Full paper

Tilapia-Shrimp Polyculture in Thailand
Pages 777-790
Yang Yi and Kevin Fitzsimmons
Full paper

Tilapia Aquaculture in Sub-Saharan Africa
Pages 791-792
Jerome Lazard and Olivier Mikolasek
Full paper  

Growth and Reproduction of Oreochromis shiranus Stocked at Different Densities at Bunda College of Agriculture in Malawi
Pages 793
Isaac R. Fandika
Full paper

Effect of Adding Shrimp (Penaeus monodon) Into Intensive Culture Ponds of Nile tilapia (Oreochromis niloticus) at Different Densities
Pages 794-805
Pham Cu Thien, Yang Yi and Kevin Fitzsimmons
Full paper

Acknowledgement