THE THIRD INTERNATIONAL SYMPOSIUM ON TILAPIA IN AQUACULTURE

Transcription

1 THE THIRD INTERNATIONAL SYMPOSIUM ON TILAPIA IN AQUACULTURE Edited by R.S.V. PULLIN J. LAZARD M. LEGENDRE J.B. AMON KOTHIAS D. PAULY Translations by C. LHOMME-BINUDIN 1996 Republique de Cote d'lvoire International Center for Living Aquatic Resources Management cro Centre de recherches oceanologiques * * - * ^ V Institut francais de recherche scientifique pour le developpement en cooperation Centre de cooperation Internationale en recherche agronomique pour le developpement With the cooperation of UB/TIB Hannover Cooperation franchise Centre technique de cooperation agricole et rurale

2 Contents Foreword Preface viii ix A. KEYNOTE PAPERS World Tllapia Culture and Its Future Prospects R.S.V. Pullin 1 Tilapia Culture in Francophone SubSaharan Africa: Current Status and Future Prospects J. Lazard and J.-Y. Weigel 17 B. PAPERS PRESENTED Session I: Culture Systems, Management and Production Comparative Growth of Oreochromis niloticus and Sarotherodon galilaeus in Small Artificial Lakes in Burkina Faso and the Larger Lakes of Africa E. Baijot, I. Barry, S. Bouda, K.H. Kabore and A.C. Traore 28 The Integration of Extensive Aquaculture (Acadja-enclos) into the Lagoon Village Environment in Cote d'lvoire J.R. Durand and 5. Hem 33 Philippine Tilapia Farming Technologies and Their Relevance to Africa R.D. Guerrero III 42 Acadja-enclos Used in Cote d'lvoire as an Extensive Aquaculture System 5. Hem and J.L.B. Avit 46 Liming of Fishponds in Malawi: A Comparative Study of Limed and Unlimed Ponds D.M. Jamu and O.V. Msiska 54 Stock Manipulation in Farmed Tilapias in Malawi E.K.W.H. Kaunda 62 Strategies for Stocking Mile Tilapia (Oreochromis niloticus) in Fertilized Ponds C.r. Knud-Hansen and C. liwei Lin 70 The Spontaneous Reproduction of Tilapia: an Opportunity or a Handicap for the Development of African Aquaculture? J. Lazard and M. Legendre 87 Selective Broodfish Exchange of Oreochromis niloticus in Large Breeding Mapas Suspended in Earthen Ponds D.C. Little, D.J. Macintosh and P. Edwards 92 The Effect of Sex Ratio at Stocking on Growth and Recruitment in Nile Tilapia (Oreochromis niloticus) Ponds Q.C. Mairand A.A. Van Dam Comparison of the Growth of Oreochromis karongae and O. shiranus in Fishponds in Malawi A.O. Maiuwa and M. W. Dickson 108 Growth, Survival and Sex Ratios of Oreochromis urolepis hornorum. O. niloticus and Their Hybrid Treated with 17a-Methyltestosterone D.E. Meyer and R.O. Smitherman 112 Designing Mew Fish Farming Models Adapted to Rural Cote d'lvoire P. Morissens, M. Oswald, F. Sanchez and S. Hem 118 Growth Performance of Oreochromis lidole, O. squamipinnis, O. shiranus and O. karongae. Mew Candidate Species for Aquaculture in Open Waters and Fishponds in Malawi O.V. Msiska and B.A. Costa~Pierce 129 Management of Tilapia (Oreochromis shiranus and Tilapia rendalli) in Ponds of Smallholder Farmers in Mwanza and Zomba West Districts of Malawi J.T.B. Mutambo and S.A. Langston 135 Utilization of On-farm Resources for Aquaculture in Rural Africa R.P. noble iii

3 Effects of Pond Depth and Mechanical Mixing on Production of Oreochromis niloticus in Manured Earthen Ponds J.P. Szyper and K.D. Hopkins 152 Production of Florida Red Tilapia (Oreochromis sp.) Fry in Brackishwater Tanks under Different Feeding Regimes and Stocking Densities W.O. Watanabe, S.J. Smith, W.D. Head and K. W. Mueller 160 Production of Florida Red Tilapia (Oreochromis sp.) in Flowthrough Seawater Pools at Three Stocking Densities W.O. Watanabe, J.R. Chan, S.J. Smith, R.I. Wicklund and B.L. Olla 168 Session II. Nutrition Use of Terrestrial Plants in Aquaculture in Malawi F.J.K. Chikafumbwa 175 Waste Vegetable Leaves as Feeds for Juvenile Oreochromis shiranus and Tilapia rendalli in Mono- and Polyculture S.K. Chimatiro and B.A. Costa-Pierce 183 Effects of Varying Protein-energy Levels on Food Consumption, Growth and Body Composition of Sarotherodon melanotheron (Riippel, 1852) A. Cisse 193 Feeding Cottonseed Cake to Tilapia (Oreochromis niloticus) in Earthen Ponds with Catfish (Clarias gariepinus) as Police-Fish A.J. Middendorp 198 Measurement of the Apparent Digestibility Coefficients for Oreochromis niloticus of Agro-industrial By-products Available in Cote d'lvoire Y. Moreau 204 Models for Estimating the Food Consumption of Tilapias M.L. Palomares and D. Pauly 211 Session III. Reproduction and Genetics Studies on the Effect of Manipulating Hapa Size on Broodstock Conditioning of Oreochromis niloticus in Fertilized Earthen Ponds A.J.D. Ambali and D.C. Little 223 Significant Proportions of Unexpected Males in Progenies from Single Pair Matings with Sibling Sex Reversed Males of Oreochromis niloticus J.P. Baroiller 229 Comparative Effects of a natural Androgen, 11 -Hydroxyandrostenedione, and a Synthetic Androgen, 17a-Methyltestosterone, on the Sex Ratios of Oreochromis niloticus J.F. Baroiller and A. Toguyeni 238 Effects of High Rearing Temperatures on the Sex Ratio of Progeny from Sex Reversed Males of Oreochromis niloticus J.F. Baroiller, A. Fostier, C. Cauty, X. Rognon and B. Jalabert 246 Cold Tolerance in Maternal Mouthbrooding Tilapias: Heritability Estimates and Correlated Growth Responses at Suboptimal Temperatures L.L. Behrends, J.B. Kingsly and M.J. Bulls 257 Mitochondrial DMA Restriction Endonuclease and Isozyme Analyses of Three Strains of Oreochromis niloticus J.B. Capili and D.O.F. Skibinski 266 Triploidy Induced by Heat Shock in Oreochromis niloticus S.L. Chang and I.C. Liao 273 Effects of Substrate and Water Quality on Seasonal Fry Production by Tilapia rendalli \x\ Tanks B.A. Costa-Pierce 280 A Practical Quantitative Method to Estimate Relative Reproductive Activity in Oreochromis niloticus A.E. Eknath, J.B. Capili, J.C. Danting, M.S. Palada-De Vera, E.E. Dionisio, H.L. Bolivar, R.A. Reyes and M.M. Tayamen 290 iv

4 Searching for Behavioral Isolating Mechanisms in Tilapias U. Falter 299 Plasticity in the Parental Cycle of Oreochromis niloticus J. Y. Qautier, M.A. Richard-Yris, B. Le Faucheux and M. Foraste 308 Sex Reversal of Tilapia Fry by Immersion in Water Containing Estrogens C.J. Gilling, D.O.F. Skibinski and J.A. Beardmore 314 Effects of Triploidy on Sexual Maturation and Reproduction in Mile Tilapia, Oreochromis niloticus L. M.G. tlussain, D.J. Penman and B.J. McAndrew 320 Aspects of the Reproductive Strategy of Sarotherodon melanotheron: Comparison between a Natural Population (Ebrie Lagoon, Cote d'lvoire) and Different Cultured Populations M. Legendre and J.M. Ecoutin 326 Mouthbrooding Efficiency and Spawning Frequency of Sarotherodon melanotheron (Ruppel, 1852) in Culture Environments (Ebrie Lagoon, Cote d'lvoire) M. Legendre and L. Trebaol 339 A Search for Sex-specific DMA Regions in Oreochromis niloticus S.K.J. McConnell, D.O.F. Skibinski and J.A. Beardmore 349 Comparative Growth of Hybrids (F^ F 2 and F 3 ) of Oreochromis niloticus (L.) and O. macrochir (Blgr.) J.-C. Micha, R. Cuvelier, Ch. Tilquin, B. Muraille, M. Bourgois and U. Falter 354 Comparison of Growth Performance and Electrophoretic Characteristics of Three Strains of Oreochromis niloticus Present in Cote d'lvoire P. Mon'ssens, X. Rognon and /. Dembele 361 Genetic Differentiation in Several Stocks of Sarotherodon melanotheron and Tilapia guineensis from Cote d'lvoire, Senegal and Gambia L. Pouyaud and J.F. Agnese 368 Growth and Gonadal Development of Triploid Tilapia (Oreochromis niloticus) B. Puckhaberand G. Horstgen-Schwark 377 Implications of Reproductive Behavior of Captive Oreochromis Broodstock on the Quality of Their Fry K.J. Rana 383 Observations on Intergeneric Hybrids in Tilapias K.J. Rana, B.J. McAndrew, G. Wohlfarth and /. Macgowan 391 Study of Genetic Variation in Farmed Populations of Some Species of the Genus Oreochromis - X. Rognon and R. Guyomard 398 Basis of the Sexual and Territorial Behavior in Males of Oreochromis niloticus and Oreochromis mossambicus Y. Rouger 407 Truss Morphometric Characterization of Eight Strains of Mile Tilapia (Oreochromis niloticus) R.R. Velasco, M.J.R. Pante, J.M. Macaranas, C.C. Janagap and A.E. Eknath 415 Estimation of Additive and Nonadditive Genetic Parameters in the Growth of Fry of Three Strains of Oreochromis spp. C. V. Yapi-Gnaore 426 Session IV. Biology and Ecology A new Method for Comparing the Growth Performance of Fishes, Applied to Wild and Farmed Tilapias D. Pauly, J. Moreau and F. Gayanilo, Jr. 433 Survival of Tilapia guineensis under Conditions of Low Dissolved Oxygen and Low ph K. Wokoma and I.E. Marioghae 442 Session V. Physiology The Role of Prolactin in the Adaption of Tilapia to Hypo- and Hyperosmotic Environments B. Auperin and P. Prunet 449

5 Physiological Adaptation of Oreochromis niloticus and O. aureus to Salinity M. Avella and T. Doudet 461 Session VI. Economics and Socioeconomics Economics of Tilapia Aquaculture in Small Waterbodies in Bangladesh M. Ahmed, M.P. Bimbao and M. V. Gupta 471 Regional Trends in Tilapia Production and Prices in the Philippines M.A.P. Bimbao and M. Ahmed 476 Tilapia Culture in the Senegal River Basin and the Causes of Its Failure P.S. Diouf and J.J. Albaret 488 Mile Tilapia (Oreochromis niloticus) Culture in Small Waterbodies under Different Feeding and Fertilization Regimes M. V. Gupta, Md. Akhteruzzaman, A.H.M. Kohinoor and M.S. Shah 500 Rural Development of Tilapia Culture in Africa: from Myth to Reality C. Koffi, M. Oswald and J. Lazard 505 Which Research for Which Development of Tilapia Aquaculture in SubSaharan Africa? J. Lazard 515 Peri-urban Aquaculture in Midwestern Cote d'lvoire M. Oswald, Y. Copin and D. Montferrer 525 C. POSTERS Growth and Food Conversion of Five Strains of Nile Tilapia (Oreochromis niloticus) Fry B.O. Acosta, E.E. Dionisio and A.E. Eknath 537 Historical and Technical Aspects of the Introduction of Tilapia Culture in Colombia L.F. Castillo Campo 538 Studies on the Growth Performance and Gonadal Development of Triploid Tilapia Oreochromis aureus S.L. Chang, C.F. Chang and I.C. Liao 539 The Malawi Central and Northern Regions Fish Farming Project: Research, Progress and Prospects M. Dickson 540 Interactions Between Nile Tilapia (Oreochromis niloticus) and the Pond Community at Various Fish Densities F.A.R. Elhigzi and P. Larrson 541 Studies on the Control of Tilapia Recruitment Using Tilapia-Predator Polyculture System in Southwest Nigeria O.A. Fagbenro and A.A. Salami 542 Observations on the Possible Effects of Salinity, Pond Regime Practices and Behavior on the Culture of Tilapia guineensis and Sarotherodon melanotheron G.D. Igonifagha, S.N. Deekae and I.E. Marioghae 543 Periphyton Composition and Physicochemistry in an Artificial Habitat (Acadja-enclos) for Sarotherodon melanotheron Adiapote Area, Ebrie Lagoon, C6te d'lvoire A.A. Konan 544 Production of Pseudo-females of Oreochromis aureus Using Ethynyloestradiol CH. Melard 545 Consumption of Phytoplankton by Oreochromis niloticus in Lake Muhazi (Rwanda) j.c. Micha, j.p. Descy and F. Laviolette 546 Documentation and Evaluation of Oreochromis niloticus Populations in Ghana for Aquaculture J.K. Ofori and /N. Pad/ 547 Induced Spawning in Oreochromis niloticus L. E.E. Roderick, L.P. Santiago, M.-A. Garcia and G.C. Mair 548 Acute Toxicity of Potassium Permanganate, Petroleum Product and Textile Effluent to Oreochromis niloticus A.A. Salami And O.O. Oguyemi 549 Analysis of the Morphometrics of Three Tilapias (Tilapia zillii, Sarotherodon ga/i/aeus and Oreochromis niloticus) and Their Intergeneric Hybrids E. Schwanck and K. Rana 550 vi

6 Development of an Autonomous Pilot System in Recycled Water for the Integrated Production of Tilapia and Garden Crops Behaving as Environment Purifier K. Souleymane, M. Didier and /. Quilleret 551 The Development of a Tilapia Strain Registry as Part of FishBase W. Villwock, U. Slenknecht, R. Froese and L. Agustin 553 Effects of Dietary Levels of Carbohydrate, Lipid, Phosphorus and Zinc on the Growth and Feed Conversion of Nile Tilapia (Oreochromis niloticus) L. Zhongzie, L. Wo and Y. Yunxia 554 D. SPONSORS AND COLLABORATORS Agence de cooperation culturelle et technique (ACCT) 555 Centre de cooperation internationale en recherche agronomique pour le developpement (CIRAD) 556 Centre de recherches ocenologiques (CRO) 557 Technical Center for Agricultural and Rural Cooperation (CTA) 558 International Center for Living Aquatic Resources Management (ICLARM) 558 Institut national de la recherche agronomique (IMRA) 559 The French Ministry of Cooperation 560 L'Institut francais de Recherche Scientifique pour le Developpement en Cooperation (ORSTOM) 561 Author Index 563 List of Participants 565 VII