崇明地区河蟹与罗氏沼虾生态高效混养技术探究
Research on ecological and efficient mixed culture technology of Chinese mitten crab and Macrobrachium rosenbergii in Chongming
朱丽艳 1周捷1
作者信息
- 1. 上海市崇明区水产技术推广站,上海 202150
- 折叠
摘要
为充分挖掘河蟹养殖池塘潜能和利用养殖水体空间,增加单位面积内的经济效益,在崇明地区传统河蟹养殖模式的基础上,开展不同密度的罗氏沼虾混养试验.结果表明:在河蟹蟹种放养量为250 kg/hm2时,罗氏沼虾放养1.8万尾/hm2较为适宜,罗氏沼虾销售价格为200元/kg,总产值比放养2.4万尾/hm2高出5.985万元/hm2,较未混养罗氏沼虾的河蟹精养池塘增加6.195万元/hm2.
Abstract
To fully tap into the potential of Chinese mitten crab(Eriocheir sinensis)ponds and utilize the space in water bodies,thereby increasing economic benefits per unit area,a mixed cultivation ex-periment was conducted in Chongming,Shanghai,involving different densities of giant freshwater prawn(Macrobrachium rosenbergii)alongside the traditional E.sinensis farming model.The results indicated that,under the condition of stocking 250 kg/hm2 of E.sinensis,the optimal stocking densi-ty for M.rosenbergii was 18 000 ind./hm2.With a selling price of 200 yuan/kg for M.rosenbergii,the total output value was 59 850 yuan/hm2 higher compared to stocking 24 000 ind./hm2.This re-presented an additional 61 950 yuan/hm2 compared to monoculture of E.sinensis.
关键词
河蟹(Eriocheir/sinensis)/罗氏沼虾(Macrobrachium/rosenbergii)/混养/密度Key words
Chinese mitten crab(Eriocheir sinensis)/Macrobrachium rosenbergii/mixed cultivation/density引用本文复制引用
基金项目
崇明区农业科创项目(2022CNKC-02-01)
出版年
2024
NETL
NSTL
万方数据