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India - Fish genetics, selection and hybridization (spec. carp). A report prepared for the intensification of freshwater fish culture and training project








Bakos, J. Dec 1981. India - Fish genetics, selection and hybridization (spec. carp). A report prepared for the intensification of freshwater fish culture and training project - Field document 3. 14 p.


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    Intensification of freshwater fish culture and training project, India - Establishing diagnostic work and research on (freshwater) fish diseases and fish health monitoring at FARTC (Freshwater Aquaculture Research and Training Centre) (CIFRI), Dhauli 1982
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    The intensification and further development of freshwater aquaculture in India urgently requires knowledge, research facilities and research and expertise on fish diseases and fish health protection. This report describes the initiation of work in this area at the Freshwater Aquaculture Research and Training Centre of the Central Inland Fisheries Research Institute, as part of the FAO/UNDP Project IND/75/031. Work accomplished in theoretical and practical training of young scientists on fish diseases and research methodologies, as well as assistance in establishing adequate conditions for research are described. During the practical training three fish diseases were diagnosed that had so far not been reported in India. In a pond experiment set up for training, the efficiency of antibiotic administration during handling in preventing post-handling losses due to columnaris disease was clearly demonstrated. Considering the present and future needs for research on fish diseases and h ealth protection and the probable role of FARTC in it, proposals on organization of work in this area were prepared. It is suggested that the research team work as the Unit for Ichthyopathology and Fish Health Protection. The Unit should cooperate closely with other research teams and scientists at FARTC. Fields of work in the Unit and proposals for five initial 3 year research programmes are outlined. The research projects are oriented towards development of methodologies for detection, identif ication and the inventory of diseases in composite fish culture.
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    Technical study
    Genetic resources of common carp at the Fish Culture Research Institute Szarvas, Hungary 2001
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    The genetic resources of common carp maintained at the Fish Culture Research Institute in Szarvas, Hungary, are described. Eighteen Hungarian strains (landraces) and 13 strains from outside Hungary (primarily former Soviet Republics, Eastern Europe and Asia) are maintained in a living gene bank at the Institute. The genetic improvement of common carp in Hungary started in 1962 at the Fish Culture Research Institute. Traditional selection (family and mass selection), other types of genetic mani pulations, such as inbreeding, gynogenesis and hormonal sex-reversion, and intra-specific hybridization have resulted in the production and testing of more than 150 combinations of common carp strains. Five main features were evaluated that determined the economical value of the resulting strains: survival, weight gain, feed conversion ratio, slaughter value and fat content of the meat. These research efforts produced three outstanding hybrids of common carp: the Sz215 mirror, the SzP31 and SzP3 4 scaly hybrids, which now represent 80 percent of the total carp production in Hungary. The Fish Culture Research Institute is a key part of a national breeding programme in Hungary that provides fish farms and fish seed production units with parental lines of hybrid common carp.
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    India - Carp nutrition research at the Freshwater Aquaculture Research and Training Centre, Dhauli; establishment of a nutrition laboratory and initiation of a diet development programme for carp polyculture 1982
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    The work reported incorporates group training of counterparts and the latters' participation in all aspects of the programme. Training included: use and care of equipment; analytical methodology and techniques; fish nutrition basics; diet formulation, preparation and testing; design of experiments in fish nutrition.

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