上海精养鱼塘高产饲草的选择和应用

SELECTION OF HIGH YIELD GREEN GRASS SPECIES APPLIED TO FRESHWATER FISH FARMING IN SHANGHAI AREA

本研究根据上海精养鱼塘的生产现状，经３年（１９９２～１９９５年）大面积试验实施，指出种植高产饲草代替部分精料，以草换鱼是解决饲料不足和我国粮食短缺的有效途径。实践中，按照鱼的摄食规律，科学选择草种，合理组合草种、重视科学种草栽培技术是稳定发展本市节粮型淡水养殖业的重要环节。

A program has been conducted for 3 years(1992-1995)to select high yield green grass species applied to freshwater fish farming in Shanghai area. Results are as follows:(1)To develop high yield green grass and to change grass for fish is a beneficial way to deal with the shortages of grains and concentratedfeed.(2)Essential to the stable development of grain--saving type of fresh warter fish farming is to select applicable green grass species,to make a proper combination of diffetent species to be rotated and to deform the grass culture techniques to get high yield fresh grass based on the requirement of fish feeding.