鲻饵中蛋白质适宜含量在淡水池塘中研究了饵料的蛋白质含量对鲻生长和饵料利用的影响。４种试验饵料分别含粗蛋白２５％，３０％，３５％和４０％，鱼种平均体重４ｇ，试验期８４天。试验鱼养在设置于池塘中的网箱里，放养密度４０尾／，日投饵量为鱼体重的４％。结果表明... Proper protein content in baits The effects of protein content of bait on growth and feed utilization of bait were studied in freshwater ponds. The four kinds of test bait containing crude protein 25%, 30%, 35% and 40% respectively, the average weight of 4g species, the test period of 84 days. The test fish was kept in cages arranged in ponds at a stocking density of 40 fish per day and a daily feed volume of 4% of the fish body weight. The results show...