Investigation of integrated fish farming in Holei Fish Farm, Wuxi, China
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A special aspect of freshwater aquaculture in China is integrated fish farming, a significant component of the country's ecological agriculture. Practices show that within the integrated farming approach there are considerable reductions in costs for feeds and organic fertilizer, thereby increasing a farm's overall profit margin. Fish are not only produced but also agricultural and side-line products like crop, livestock, poultry, century (processed) eggs, silk, etc. Holei Fish Farm is an exce llent model of this farming pattern. The average fish yield in 1981 was greater than 7500 kg/ha. The farm has a pond area of 77 ha producing 500,000 kg of live fish for commerce yearly. It has the best average fish production per unit pond area of all farms in Wuxi. Farm products including livestock, poultry, fish, eggs, and milk are provided to the markets throughout the year. In addition, the annual per capita income has increased to 1056 yuan*, the average in Wuxi City being ¥ 600. Therefore, integrated fish farming practices provide high social and economic benefits. This survey and others are being made to summarize the experience of integrated farming in China.