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Ciba0491__.Pdf 1 1 2 2 34 34 Caption Caption 1. Harvested seabass from growout trial at Ramudupalem, Nellore funded by NFDB 1. Stocking of water crabs in the ponds by the women Self Help Group, Orissa. 2. Flow through breeding facility for seabass 2. Dr. S. Ayyappan, DG - ICAR, visiting the crab fattening site at Kattur, Tamil Nadu. 3. Seabass nursery rearing in hapa at Ramudupalem, Nellore 3. Hygienic packing of value-added fi sh products by the women Self Help Group, Royapuram, Chennai. 4. Farmer Shri Hanumantha Rao Naidu holding the harvested seabass 4. Drying of crab pellets in the fi sh feed dryer by the women Self Help Group, Pulicat, Tamil Nadu. Annual Report 20092009 - - 2010 2010 Published by Dr.A.G.Ponniah Director Compiled by Dr.S.M.Pillai Shri.S.Nagarajan Editorial Committee Dr.A.G.Ponniah Dr.S.M.Pillai Dr. G.Gopikrishna Dr.(Mrs.)Shiranee Pereira Dr.M.Muralidhar Mrs.P.Mahalakshmi Hindi Translation Dr.K.K.Krishnani Secretarial Assistance Mrs. K. Subhashini Mrs.K.Hemalatha Cover Design & Photographs Shri S.Nagarajan Shri R.Rajasekharan Designed and printed at Chennai Micro Print (P) Ltd., Chennai - 600 029. Tel: 044-23740099 (5 Lines) CIBA Annual Report is not a priced publication. The recipients are not permitted to use or sell the report in part or in full. The report pertains to the research work carried out during 2009-2010. The report includes unprocessed or semi-processed data which would form basis for scientifi c publications in future. The contents of the report, therefore, could be used only with the permission of the Institute. ISSN 0976-5336 Citation: CIBA-2010. Annual Report 2009-2010. Central Institute of Brackishwater Aquaculture, Chennai. P 188 CONTENTS 1. Preface V 2. Executive Summary VII 3. Introduction 1 4. Research Achievements 5 5. List of On-going Research Projects 89 6 Technology Assessed and Transferred 105 7. Training and Education 107 8. Awards and Recognitions 113 9. Linkages and Collaboration 114 10. List of Publications 116 11. Consultancy and Commercialisation of Technology 123 12. RAC, IMC, SRC and IJSC Meetings 124 13. Participation in Conferences, Meetings, Workshops and Symposia 133 14. Services in Committees 151 15. Workshops, Seminars, meetings etc. organized by the Institute 155 16. Visitors 161 17. Personnel 163 18. Infrastructure Development 167 19. Library, Information and Documentation 168 20. Summary in Hindi 170 1 Preface Brackishwater aquaculture is one of the most complex and dynamic aquaculture sectors in which the farmers’ profi t margin is not only infl uenced by the production technology adopted by them but also by various external factors over which they have no control. The most important factors are disease agents introduced, cost of feed which is increasing due to demand for fi sh meal and price fl uctuations infl uenced largely by global markets. In this complex scenario, to prioritise research interventions with a focus on the small scale farmer is a challenge and I am proud to say that CIBA has risen to the challenge and addressed research issues across the value chain. Frontline demonstrations are required for farmers to adopt new technologies and these also help to further refi ne the technologies. In this connection the ongoing demonstration of seabass nursery and grow-out technology in Tamil Nadu, Andhra Pradesh and Maharashtra would go a long way to address diversifi cation of brackishwater aquaculture. Both the seed and feed for these demonstrations are based on technologies developed by the Institute and since these are not available from commercial sources, the Institute had to scale up and provide such inputs in large quantity for the demonstrations. I compliment the fi sh culture and nutrition scientists who have developed the technology base for these frontline demonstrations and their untiring efforts in the fi eld. Another frontline demonstration has been the three brackishwater and allied technologies to women Self Help Groups. This has been possible due to the coming together of scientists from the disciplines of social sciences, nutrition and crustacean culture. They deserve praise for their effort and this has been appreciated by Deputy Director General, Fisheries, ICAR. As can be seen from the achievements listed, CIBA scientists have risen to the challenge in not only working on present requirements but also in addressing emerging problems and carrying out strategic research to ensure sustainability and higher production. Every year the exercise of compiling the Annual Report benefi ts from critical suggestions received . We are particularly thankful to Dr. E.G.Silas, the founder Director of CIBA and former Vice-Chancellor of Kerala Agricultural University, Dr. M.V.Gupta, World Food Prize winner, Prof. T.J.Pandian, Emeritus Professor, Dr. Mohan Joseph Modayil, Member, Agricultural Scientists Recruitment Board and Dr. M.N. Kutty, Former FAO/UN expert who have responded to our request and given specifi c suggestions to improve the presentation of the Institute’s Annual Report. Central Institute of Brackishwater Aquaculture V During the current year, the infrastructure facilities got a boost with the laying of the foundation stone for a trainees hostel and aquatic health testing laboratory. Our success is due to the encouragement and guidance received from Dr. Mangala Rai, Former Secretary, DARE and Director General, ICAR and Dr. S. Ayyappan, present Secretary, DARE and Director General, ICAR, and we are grateful to them. We thank Dr. V.V.Sugunan, former Assistant Director General (I.Fy) and Dr. Madan Mohan, Assistant Director General (M.Fy) for their constant support. During the current year the institute benefi ted from the able guidance given by the QRT team led by Prof. T.J.Pandian and we we record our thanks to them. I express my gratitude to Prof. P.N. Natarajan, Chairman of the Research Advisory Committee and other members for their research directions. We have benefi tted from the interactions we had with the various stakeholders for which we thank them profusely. Last but not the least, I wish to thank all the scientists and staff of CIBA for their zeal and interest to work as a team on priority areas of work keeping the focus on farmers. A.G. Ponniah Director VI Central Institute of Brackishwater Aquaculture 2 Executive Summary During the current year the Central Institute of Brackishwater Aquaculture continued its primary focus on developing environment friendly and cost effective culture technologies for small scale farmers, diversifi cation of species and systems and in evolving a comprehensive health management system. The signifi cant achievements of CIBA are presented under the six thrust areas identifi ed by the QRT. Dr. Mangala Rai, Secretary DARE & DG, ICAR and Dr. S. Ayyappan, DDG (Fy.) releasing the seabass feed ‘CIBA BHETKIAHAR’ Environment friendly and cost effective culture technologies ¾ Successful maturation, spawning and hatching were achieved with a maturation diet in which 50% of the classical fresh feed regimen was replaced with an artifi cial moist diet. ¾ On-station farm trials indicated that it was possible to achieve the same level of production with 38 and 32 % protein in the feed and the reduced protein level of 32% would bring down the production cost by Rs. 4-5 per kg of shrimp produced. ¾ A collaborative project has been taken up in Gujarat with Navasri Agricultural University, in order to understand location specifi c culture requirements for shrimp. As a part of this programme tiger shrimp culture was taken up in the brackishwater farm developed at Danti - Umbharat Centre. ¾ Efforts to develop specifi c tiger shrimp feeds for high salinity (40 ppt) indicated signifi cantly high growth rates at 40 and 33.5% dietary crude protein levels, when compared to lower dietary protein levels. Based on Central Institute of Brackishwater Aquaculture VII the better protein effi ciency ratio and apparent protein utilization at high salinity (40ppt), protein utilization effi ciency was better at 33.5% dietary protein level. ¾ Under low saline regime (7-10 ppt), dietary calcium and phosphorous requirements for tiger shrimp interact with salinity and impact growth. Yard trials revealed that 3% Calcium (Ca) with 2% Phosphorus (P) supplementation resulted in a signifi cantly higher digestibility of Ca and P as well as weight gain compared to other groups receiving lower levels of Ca and P. ¾ Growth, survival and protein effi ciency ratio were signifi cantly higher and Feed Conversion Ratio (FCR) was signifi cantly lower in shrimps fed with feed supplemented with live cellulolytic bacteria as compared to control feed . ¾ Bagasse as biostimulator for ammonia reduction has successfully been demonstrated in zero water exchange shrimp ponds, and 29-38% reduction in ammonia level was observed. ¾ In yard trials, effect of carbon nitrogen ratio on dynamics of microbial and biofl oc production was determined. Signifi cant ammonia removal and utilization of biolfl oc as food by juvenile tiger shrimp leading to higher growth was observed. Comprehensive health management ¾ Adoption rate of bio-security protocols, singly and in combination, in shrimp farms, was correlated with white spot disease incidence and it was found that the use of reservoir pond signifi cantly reduced disease incidence. ¾ Disease surveillance of shrimp monoculture and traditional bheries of West Bengal during 2007-10, covering 198 farms from three coastal districts, clearly indicates that White Spot Disease (WSD) outbreak was signifi cantly high in those systems where seeds have been stocked without PCR testing. ¾ An improved diagnostic nested RT- PCR with custom designed primers targeting RdRp gene of Laem- Singh Virus (LSNV), which has been implicated in Monodon Slow Growth Syndrome (MSGS) was developed. Screening of farmed and wild broodstock samples with this improved diagnostic PCR showed a high prevalence of LSNV. High prevalence in broodstock could lead to the spread of this virus by vertical transmission.
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