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Fish farming is the world's fastest growing sector of agricultural business. Aquaculture contributes more than 16 million tonnes of fish and shellfish annually to the world food supply. Consumer demand for fish products is increasing. Biotechnology is used in several different ways in aquaculture. Researchers use transgenics to introduce desirable genetic traits into the fish, thereby creating hardier stock. Biotechnology is also applied to research new feed sources and to improve the composition of the feed. Other ways in which biotechnology is applied to aquaculture include : improvement of growth rates and control of reproductive cycles through hormone therapy, production of new vaccines and development of disease resistance in fish. Biotechnology is also helping to answer some of the technical and environmental concerns of fish farming. The recent advances in the field of fisheries and aquaculture biotechnology are comprehensively described in this book. It will be a highly useful reference tool for advanced students, professionals and researchers in animal genetics, fish biology and aquaculture.