山东省掖县渔民钓鲈鱼历来都以鲫鱼,爬虾和对虾的躯体作饵料,其中以对虾作饵的产量高于其它两种饵料的50%以上,但对虾的成本很高(58年每斤价0.47元)。如一只船带25～30筐钓钩,每潮就须用对虾60斤,共须28.20元,全县在春季约有钓鲈鱼船50只,每潮即清耗对虾3,000斤,计价1400元。去年该县东风人民公社试用废 The fish bass fishing in Yexian County, Shandong Province, has always been to the crucian carp, crawling shrimp and shrimp body as bait, of which shrimp bait yield is higher than the other two kinds of bait more than 50%, but the high cost of shrimp (58 per kilogram price 0.47 yuan). If a boat with 25 to 30 baskets of hooks, each wave must be shrimp 60 pounds, a total of 28.20 yuan, the county in the spring about 50 fishing bass boats, each tide that consumes 3,000 pounds shrimp, priced at 1,400 yuan. Dongfeng County People’s Commune trial last year, waste