池塘鱼鸭混养高产技术试验

研究了鱼鸭混养技术措施，初步探索出鱼鸭混养的最佳养殖模式；放养大规模鱼种，滤食性鱼占４５％，杂食性鱼占５％，底层鱼占５０％，每亩水面配养鸭１２０只，每亩纯收入９２１６．７４元，比单纯养鱼提高３００％，专家验收认为：技术和综合效益均达国内领先水平。

Experiment on High Yield of Fishes and Ducks Mixed Farming in the Same Fish Pond

The paper reported the technical measures for mixed farming fishes and ducks,and prelimilarily inquired into the optimum farming model of fishes and ducks in the same fish pond.According to the model,the big sized fingerlings must be stocked,of which the fish feeding on plankton accounts for 45%,the omnivorous fish 5% and the bottom fish 50%;120 ducks are farmed on the water area per mu.The per mu pure income was 9.21674 thousand yuan,raised 300% in comparison with the monoculture of fishes.The result,appraised by experts,has met the advanced level in Shandong Province in the aspect of technique and comprehensive benefit.