白鲫原产日本琵琶湖,具有个体大,生长快,病害少。起水率高和肉嫩味鲜等优点。1976年引进我国,1977年我省开始引种试养和推广,目前搭养和单养面积近万亩,增产效果显著。实践证明,白鲫是淡水养殖的一个优良养殖品种。白鲫适应性强,适宜各类水域放养,不受气候和水域环境的影响,寒冬季节摄食能力比本地鲫鱼好,从我省气候来看,推广和发展白鲫养殖具有很优越的自然条件:不论是城郊的鱼塘,洞庭湖区的成片商品鱼基地,还是广大的丘陵山塘、水库以及山区高寒保水的水域环境,都适宜白鲫生长,网箱养殖或围栏养殖也是搭配的好品种,能获得较高的经济效益。白鲫食性广,管理容易,生长迅速,捕捞起水率高。在天然水域中,白鲫以摄食浮游动植物为主,兼食一些水生昆虫和有机碎屑,而且随着 Crucian carp native to Japan Lake Biwa, with individual large, fast growth, disease less. High starting rate and tender meat, etc. advantages. Introduced in 1976 in our country, in 1977, our province began to introduce trial cultivation and promotion, the current rearing and monoculture area nearly mu, yield significant effect. Practice has proved that white carp is a good aquaculture breeding species. White crucian carp adaptable, suitable for all kinds of waters stocking, free from the impact of climate and water environment, the winter feeding ability better than the local carp, climate from the point of view, the promotion and development of white carp culture has very superior natural conditions: Both the suburbs of the fish ponds, Dongting Lake into a film of fish base, or the vast hills and ponds, reservoirs and mountains cold water environment, are suitable for white carp growth, cage farming or fence farming is a good variety, Can get higher economic benefits. White Carassius carapace wide, easy management, rapid growth, high rate of fishing water. In natural waters, white crucian carp mainly to feed on plankton and eat some aquatic insects and organic debris, and with