信阳市有大中型水库18座,20多万亩,小型水库865座,10万多亩,水域面积广阔,水质良好,可进行大规模无公害花白鲢成鱼的养殖。水库产的无公害花鲢市场销售看好,供不应求。而加大放养数量和放养规格是提高产量的有效途径。为了保证其大规格花白鲢鱼种的供给,2001～2002年,我们在信? Xinyang City has 18 large and medium-sized reservoirs, more than 20 million mu, 865 small reservoirs, 100,000 mu, a vast area of ​​water, good water quality, can be a large-scale pollution-free silver carp adult fish farming. Production of pollution-free aquaculture production of silver carp market optimistic, in short supply. The increase of stocking and stocking specifications is an effective way to increase production. In order to ensure its supply of large size silver carp species, from 2001 to 2002, we believe?