|本期目录/Table of Contents|

[1]林向阳,张齐斌,李雷斌.盐度对可口革囊星虫受精卵孵化、幼体存活和生长的影响[J].集美大学学报(自然科学版),2020,25(4):248-255.
　LIN Xiangyang,ZHANG Qibin,LI Leibin.Effects of Salinity on Fertility，Hatching Rate，Survival and Metamorphosis in Phascolosoma esculenta[J].Journal of Jimei University,2020,25(4):248-255.
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盐度对可口革囊星虫受精卵孵化、幼体存活和生长的影响(PDF)
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《集美大学学报（自然科学版）》[ISSN:1007-7405/CN:35-1186/N]

卷:
第25卷
期数:
2020年第4期
页码:
248-255
栏目:
水产、食品与生物工程
出版日期:
2020-07-28

文章信息/Info

Title:
Effects of Salinity on Fertility，Hatching Rate，Survival and Metamorphosis in Phascolosoma esculenta
作者:
林向阳1; 张齐斌2; 李雷斌1
(1.福建省水产研究所,福建省海洋生物增养殖与高值化利用重点实验室,福建 厦门 361013 ;2.宁德市蕉城区漳湾镇水产技术推广站,福建 宁德 352100 )
Author(s):
LIN Xiangyang1; ZHANG Qibin2; LI Leibin1
(1.Fisheries Research Institute of Fujian Province,Fujian Key Laboratory of Cultivation and HighValue Utilization of Marine Oragnisms,Xiamen 361013,China;2.Aquaculture Technology Extending Stations in Zhang Wan Town of Jiaocheng District,Ningde,352100,China)
关键词:
盐度; 可口革囊星虫; 幼体; 不投饵存活系数; 生长
Keywords:
salinity; Phascolosoma esculenta; larva; survival activity indices; growth
分类号:
-
DOI:
-
文献标志码:
-
摘要:
研究了不同盐度对可口革囊星虫(Phascolosoma esculenta)孵化、幼体存活和生长的影响。结果表明：1）可口革囊星虫孵化适宜盐度范围为15~30，最适盐度为20~26，呈现出偏低盐的倾向；2）在盐度为10、15、20、25~26、30、35时可口革囊星虫幼虫不投饵存活系数(survival activity index,SAI）分别为9.8、78.3、60.9、12.6、12.2、10.7，即，盐度为15、20时幼虫存活时间较长(达7 d），盐度为10、25~26、30、35时幼虫不投饵存活系数迅速下降；3）在盐度为15、20、25~26、30时，经过9 d的培育，幼虫体长从251.7 μm生长至542.9~568.5 μm，生长速度为60.3~63.2 μm/d，其中生长速度最快的是在自然盐度(25~26）条件下，最慢的是在盐度30条件下。
Abstract:
The hatching rate，larval survival rate and growth of Phascolosoma esculenta were studied under different salinities.The results were as follows:1)The range of suitable salinities was 15-30，and the rage of the most optimum salinities was 20-26，showing the tendency of low salinities tolerance.2) survival activity indices were 9.8，78.3，60.9，12.6，12.2，and 10.7 respectively for the larvae under salinities of 10，15，20，25-26，30，35，while there were significant differences among the groups (P<0.05).The survival time of the larvae was the longest at salinities of 15 and 20，and the survival time was 7 days.The survive days decreased quickly under other salinities.3)After 9 days of culture，the larvae length grew from 251.7 μm to 542.9-568.5 μm under salinities of 15，20，25-26，30.The growth rate was from 60.3 μm/d to 63.2 μm/d.The fastest speed of growth rate was under the natural salinity of 25-26，and the slowest was the group of under the salinity of 30，while there were no significant differences among the groups.

参考文献/References:

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更新日期/Last Update: 2020-09-16