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当前位置: 首页 > 文章 > 凡纳滨对虾在氯化物型盐碱水养殖环境下不同家系间生长、存活性能分析 中国水产科学 2018 (2) 308-315
Position: Home > Articles > Analysis of growth and survival among different families of Litopenaeus vannamei in the chloride typed alkaline water Journal of Fishery Sciences of China 2018 (2) 308-315

凡纳滨对虾在氯化物型盐碱水养殖环境下不同家系间生长、存活性能分析

作  者：
曾凡勇;罗坤;栾生;曹宝祥;卢霞;谭建;陈宝龙;孟宪红;孔杰
单  位：
中国水产科学研究院黄海水产研究所农业部海洋渔业资源可持续利用重点实验室;南京农业大学无锡渔业学院;青岛海洋科学与技术国家实验室海洋渔业科学与食物产出过程功能实验室
关键词：
凡纳滨对虾;盐碱水;体重;存活率
摘  要：
本研究以凡纳滨对虾(Litopenaeus vannamei)61个家系为材料,开展了为期50 d的氯化物型盐碱水混合养殖测试,分析了各个家系的生长和存活性能。研究结果显示,凡纳滨对虾家系在氯化物型盐碱水养殖环境下的体重和存活率均存在显著差异,且家系间体重和存活率差异较大,变异系数分别高达36.26%和46.82%;凡纳滨对虾家系的绝对增重率均值和特定增重率均值分别为0.09g/d和1.82%/d,绝对增重最快的家系比绝对增重率均值高7.54个百分点,比增重最慢家系高12.95个百分点;凡纳滨对虾家系存活率范围为1.00%~63.33%,家系平均存活率为26.61%,家系最高存活率比家系最低存活率高了62.33个百分点,比家系存活率均值高了36.72个百分点。本研究结果表明:凡纳滨对虾家系在氯化物型盐碱水养殖条件下生长、存活存在较大差异,具有较大的遗传改良空间和选育潜力,本研究结果可为下一步的凡纳滨对虾盐碱水选育工作提供数据支持。
译  名：
Analysis of growth and survival among different families of Litopenaeus vannamei in the chloride typed alkaline water
作  者：
ZENG Fanyong;LUO Kun;LUAN Sheng;CAO Baoxiang;LU Xia;TAN Jian;CHEN Baolong;MENG Xianhong;KONG Jie;Wuxi Fisheries College, Nanjing Agricultural University;The Key Laboratory for Sustainable Utilization of Marine Fisheries Resources, Ministry of Agriculture; Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences;Laboratory for Marine Fisheries Science and Food Production Processes, Qingdao National Laboratory for Marine Science and Technology;
关键词：
Litopenaeus vannamei;;alkaline water;;body weight;;survival rate
摘  要：
The pacific white shrimp, Litopenaeus vannamei, is becoming one of the most popular cultured species in the world due to the advantages of rapid growth, low demand for animal feed and a high survival rate at high density. The Litopenaeus vannamei has wide adaptability to salinity and better resistance to stresses, and successfully cultured in the alkaline water in China. In order to further improve the effect of aquaculture in alkaline water for better effective utilization of alkaline water, we carried out genetic breeding experiment of Litopenaeus vannamei in alkaline water environment. The comparative experiments among 61 families of Litopenaeus vannamei on the body weight and the survival rates were carried out in alkaline water(AW) environment. After 50 days of culture test, the results showed that body weight and survival rates of different L. vannamei families were significant(P<0.01) in AW, and the mean and CV were 7.25 g and 26.61%, 36.26% and 46.82%, respectively. In the meantime, different growth performance was observed among different families AW. The absolute growth rate(AGR) and specific growth rate(SGR) were 0.09 g/d and 1.82%/d. And the body weight of family 5121 was biggest in AW environment, AGR and SGR is 0.16 g/d and 2.34%/d, 7.54% higher than the mean of the families, and 12.95% higher than that of the lowest. The survival rates results indicated that the difference of survival rates of families in AW was significant, which was 26.61%, and the survival rates of each families were ranged from 1.00% to 63.33% in AW. The survival rates of family 5032 was the highest in AW environment, which was 63.33%, 36.72% higher than the mean of the families, and 62.33% higher than that of the lowest. The results suggested that the family selection of L. vannamei in AW environment has great genetic improvement potentials, and may provide a good reference for the next phase of the tolerance to AW environment of L. vannamei family selection. Through continuous family selection, it is possible to develop more suitable breed of Litopenaeus vannamei for alkaline water. This will be of great significance for effectively promoting the health culture of Litopenaeus vannamei in the alkaline water.

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