South China Sea fisheries development and coordinating programme. Economics of various management techniques for pond culture of finfish, Regional review
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On a worldwide basis, pond culture of finfish produces about 75 percent of the production in weight and utilizes about 90 percent of the area devo ed to aquaculture. It is estimated that it has stimulated a capital exchange investment of about US$3 500 million. The potential for increasing aquaculture production through pond culture of finfish is high. An analysis is made of the economics of finfish pond culture in order to: (i) establish improved management practices that will make the indust ry more profitable; (ii) guide the formulation of policies and programmes which affect development of the aquaculture industry. The species considered in this study are: milkfish, common carp, Chinese carp, Indian major carps, catfishes (channel, Clarias, pangasid), tilapia, grey mullet, eel and rainbow trout. The profitability of the use of monoculture versus polyculture and the use of extensive versus intensive techniques are explored with respect to a number of these species.