Invited Presentations

Keynote Address - Dr. Dallas Alston, University of Puerto Rico
Global Outlook for Tilapia Culture with Emphasis on Latin America

Genetics and Reproduction

Sex-Reversal of Nile Tilapia Fry Using Different Doses of 17 a-Methyl Testosterone at Different Dietary Protein Levels
Adel, M. E. Shalaby, Ashraf, A. Ramadan and Yassir, A. E. Khattab

Effect of feeding stress on differential gene expression in tilapia Oreochromis niloticus
Villarroel, M., Tupac-Yupanqui, I., and Dunner, S.

Comparative study on electrophoretic protein pattern of tilapia species in the River Nile, Egypt
Sabry S. El-Serafy; Nassr-Allah H. Abdel-Hamide; Mohammed H. Awwad and Mona S. Azab.

Strains tilapia Oreochromis spp reproductive assessment
Rafael León Sánchez, Walter Ramírez Meda, Juan Vilalvazo Naranjo, Víctore M. Rangel Cobian

Comparative study on seed production in two strains of the Nile tilapia Oreochromis niloticus
Mohammad T. Rhida

Riboprinting Analysis Of Tilapia Species and Their Hybrids Using Restriction Fragment Length Polymorphisms (RFLPs) Of The Small Subunit Ribosomal DNA
Sabry S. El-Serafy, Nassr-Allah H. Andel-Hamide, Mohammed H.Awwad and Mona S. Azab

Streptococci and other Pathologies - Chair: Dr. Phil Klesius, Agricultural Research Service - USDA, Auburn Alabama

Emerging diseases in Tilapia: Futre prevention methods will alleviate the economic threat.
Komar Cedric*, Labrie Lauke, Ng Joseph, Sheehan Brian, Enright William and Tan Zilong

Identification and characteristics of S. iniae and S. agalactiae
Joyce J. Evans, C.A. Shoemaker and P. H. Klesius

Vaccines to prevent S. iniae and S. agalactiae diseases in Nile tilapia
Phillip H. Klesius, J. J. Evans and C. A. Shoemaker

Growth response and acquired resistance of Nile Tilapia Oreochromis niloticus following infection or vaccination with Streptococcus iniae>
Shoemaker, C.A., Lim, C. Askoy, M.Y., Welker, T.L., Klesius, P.H., and Evans, J.J.

Growth response and resistance to Streptococcus iniae of Nile Tilapia Oreochromis niloticus fed diets containing distiller’s dried grains with solubles
Chhorn Lim, M. Aksoy, P. H. Klesius, C.A. Shoemaker and J.J. Evans

Studies on streptococcal infection among cultured fresh water fish
Torky, H. A., Soliman, M. K., El-Ashram, A. M. M. and El-Refaee, A. M. E.

Effect of some local immunostimulants on the survival, growth performance and challenge infection of Oreochromis niloticus
Ahmed Said Diab, Salah Mesalhy Aly, George John, Yasser Mohamed Abde-Hadi and Mohamed Fathi Mohamed

Prevalence of some parasitic agents affecting the gills of some cultured fishes in Sharkia, Damietta and Fayium governorates
Diab, A. S., El-Bouhy, Z. M., Sakr, S. F. and Abdel-Hadi, Y. M.

Effect of bacteria on mortality rate and gene expression in fingerlings of Oreochromis niloticus
Ebtehag A. Kamel and Azza, M. M. Abd El-Rhman

Propuesta de un area cuarentenaria en el Instituto Tecnológico de Boca del Río, Ver., México.
Lango Reynoso Fabiola, Casteñeda-Cháve, Ma. Del Refugio, Galaviz-Villa, Itzel, Robles-Hernández, R.

Trials to use natural agents against Macrogyrodactylus clarii in Clarias gariepinus
Ramadan, R. A. M

Seasonal dynamics and effects of Diplostomum spathaceum (eye fluke) on Oreochromis niloticus in Abbassa, Egypt
Ramadan Anwar Mohammed Ramadan

Nutrition and Feeds - Chair: Dr. Abdel-Fattah M. El-Sayed, Oceanography Department, Alexandria University, Egypt

Evaluation of date pits as a feed ingredient for juvenile and adult Nile tilapia (Oreochromis niloticus) reared in a recirculating system
Abdel-Fattah M. El-Sayed, W. R. Hamza, M. M. Al-Darmaki

Utilizando la ración alimenticia como estrategia para mejorar del crecimiento de crías de tilapia roja, Oreochromis mossambicus, usando quistes decapsulados de Artemia como complemento dietético.
Manuel García-Ulloa, Nuria Avendaño Astorga y Jesús T. Ponce-Palafox

Effects of 17 a– Methyltestosterone in Hormone-Treated Feed Used as Growth Promoter on Growth Performance, Feed Utilization, Whole-Body Composition and Physiological Profile of Nile Tilapia Fingerlings, Oreochromis niloticus (L.)
Mohammad H. Ahmad, Mohsen Abdel-Tawwab, Adel M. E. Shalaby and Yassir A. E. Khattab
Effect of Crowding Stress on some physiological functions of Nile Tilapia, Oreochromis niloticus (L.) fed different dietary protein levels
Mohsen Abdel-Tawwab, Mamdouh A. A. Mousa, Safaa M. Sharaf and Mohammad H. Ahmad
Use of probiotic bacteria as growth promoters, anti-bacterials and their effect on physiological parameters of Oreochromis niloticus
Yassir A. E. Khattab, Adel M. E. Shalaby and Azza, Abdel-Rhman

Histological changes in gill, liver and kidney of Nile Tilapia, Oreochromis niloticus, fingerlings and adults exposed to aqueous extracts of drumstick, Moringa oleifera, seeds
E.O. Ayotunde, O.A. Fagbenro, O.T. Adebayo and B.I. Osho

Physiocochemical properties of maize - tilapia flour blends
O.S. Fasasi, I.A. Adeyemi and O.A. Fagbenro

Dietary fibre, caffeine and tannins affect growth and feed digestibility in tilapia fingerlings (Oreochromis aureus Steindachner)
Juan B. Ulloa Rojas, Johan H. van Weerd, Elbertus A. Hisman, Johan W. Schrama and Johan A.J. Verreth

Determination of the Dietary Magnesium Requirement of Fry Nile Tilapia (Oreochromis niloticus)
Mohammad H. Ahmad

Relevance of identifying locally available feed ingredients to Nile Tilapia (Oreochromis niloticus) aquaculture for poverty alleviation
Chowdhury, M.A.K., Bureau, D.P., Dey, M.M., and M. L. Bose

The Effect of Supplemental Manganese on Growth Performance, Feed Utilization, Digestibility and Some Physiological Functions of Nile Tilapia (Oreochromis niloticus)
Hany I. Marakby
Utilizacíon de subproductos agropecuarios en dietas para Oreochromis spp pises cichlidae
Rafael León Sánchez, Víctor M. Rancel Cobián, Juan Villalvazo Naranjo, Walter Ramírez Meda
Sugarcane bagasse as periphyton substrate in the culture of nile tilapia (Oreochromis niloticus) in fertilized ponds
Madriaga, L. B. and Bolivar Remedios B.

Environmental Issues
Effect of EDTA on reduction of cadmium toxicity on growth, some haematological and biochemical profiles of Nile Tilapia (Oreochromis niloticus).
Adel M. E. Shalaby
Effect of Calcium Pre-Exposure on Acute Copper Toxicity to Juvenile Nile Tilapia, Oreochromis niloticus (L.)
Mohsen, Abdel-Tawwab, Mamdouh A. A. Mousa
Deseño de campañas sanitarias para el manejo de la calidad en la acualcultura.
Galaviz-Vil, Itzel, Lang Reynoso, Fabiola, Castañeda-Chávez,

Country and Regional Reports - Chair: Dr. Indar Ramnarine, University of the West Indies, Trinidad and Tobago
Tilapia culture and risk management in Nigeria
F.O. Agbebi and O.A. Fagbenro

Aquaculture parks: Brazilian management experience
Roubach, Rodrigo, Felipe Matias and Marcelo B. Sampaio.

Resource use in tilapia production among small-scale tilapia farmers in the savanna zone of Northern Nigeria
Amos, T.T.

Evalation of heavy metals (Pb, Cd, and Cr) in Oreochromis niloticus of the Xochimilco Lake, México
Arcos Ramos Raúl, Rojo García Dulce Karina, Tapia Origen Fabiola, Guerrero Vico Ricardo
Outlook of the tilapia aquaculture-based fisheries in México
Ana L Ibáñez, J.L., García-Calderón, O. Gutierrez-Benítez
Perception of tilapia farmers on information sources in the coastal region of Ondo state, Nigeria
S.D. Yomi Alfred and O.A. Fagbenro

Economics, Marketing and Production - Chair: Dr. Joe Molnar, Auburn University
Exploring the Potential for Aquacultural Development to Promote Food Security Among Indigenous People in Guatemala
Joseph J. Molnar,Leonel Carrillo, Fredy Damian, Carlos Savaria, Dan Meyer, Suyapa, E. W. Tollner
Aquaculture and the Brazilian water rights.
Marcelo Barbosa Sampaio, Felipe Matias, Antonio de Freitas Junior, Rodrigo Roubach

Future Expansion of Global Supplies and Markets for Tilapia Products
Fitzsimmons, Kevin and Gonzalez-Alanis, Pablo
Analisis de buenas prácticas en granjas acuícolas para cultivo de tilapia
Maria del Refugio Castañeda Chávez Fabiola Lango Reynoso, Gerardo García  González, Ana Gabriela Traviña Moreno

Growout Systems
Production strategies of tilapia (Oreochromis spp.)-shrimp (Litopenaeus vannamei) culture mixed in Mexican lagoons
Jesús T.Ponce-Palafox, Manuel García Ulloa Gomez, Héctor Esparza Leal, Sergio Castillo Vargasmachuca, José Luis Arredondo Figueroa
Comparison on the use of cast net and seine net in fish sampling in ponds
Bolivar, Remedios, Jimenez, Eddie Boy , Sugue Jun Rey, Reyes, Ruben, Danting, Maria Jodecel, Cuajan, Joyce L., and Brown, Christopher

As of July 24, 2006