盐度对叶尔羌高原鳅受精卵孵化和仔鱼存活率的影响
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- 英文论文题名：Influence of Salinity on Hatching Rate and Larval Vitality in Triplophysa(Hedinichthys) yarkandensis(Day)
- 论文作者：陈生熬 ; 李大鹏 ; 谢从新 ; 姚娜 ; 王帅 ; 任道全
- 英文论文作者：CHEN Shengao ; LI Dapeng ; XIE Congxin ; YAO Na ; WANG Shuai ; REN Dao-Quan ; College of Fisheries ; Huazhong Agricultural University ; College of Animal Science ; Tarim University
- 年：2016
- 作者机构：华中农业大学水产学院;塔里木大学动物科学学院;
- 论文关键词：叶尔羌高原鳅 ; 盐度 ; 受精卵 ; 仔鱼 ; 存活数量
- 英文论文关键词：Triplophysa(Hedinichthys) yarkandensis(Day) ; Salinity ; Fertilized eggs ; Larvae Suryival activity index
- 会议召开时间：2016-11-02
- 会议录名称：2016年中国水产学会学术年会论文摘要集
- 语种：中文
- 分类号：S917.4
- 学会代码：OGSB
- 会议名称：2016年中国水产学会学术年会
- 会议地点：中国四川成都
- 主办单位：中国水产学会、四川省水产学会
- 学会名称：中国水产学会
- 页数：1
- 文件大小：561k
- 原文格式：D
- 会议级别：全国
摘要
采用急性毒理学实验方法,对(0、2、4、6、8、10)6个不同盐度梯度下,叶尔羌高原鳅受精卵的孵化和仔鱼成活率等的影响进行了探讨。结果显示:不同盐度梯度下,其受精卵的孵化时间、孵化率、畸形率分别表现出显著性差异(P<0.05)。孵化时间在不同盐度下差异不显著,而在2-6之间孵化率较高,3个梯度差异不显著(P>0.05)。畸形率则在4和6表现为较低,但4梯度下则为最低至2.67。其仔鱼不投喂存活系数(SAI)的测定分析,仔鱼在48h内死亡较大,盐度对其影响极大,适宜盐度2-8,最适盐度则为4,SAI值比较高,且表现出差异不显著(P>0.05);盐度和SAI相关性较高,Y=-1.1468X2+11.231X+5.2364(R2=0.9598)。当2-6时,SAI和孵化率直线相关,Y=0.0075X+0.7035(R2=0.9371),SAI和畸形率,Y=-0.0053X2+0.3027X-3.3947(R2=1)。研究表明,叶尔羌高原鳅资源早期发育中盐度胁迫至关重要,对其盐度的选择将直接影响其生长和发育。
An acutetoxicity test was conducted to hatching rate and larval vitality in Triplophysa(Hedinichthys) yarkandensis(Day).Six different levels were set as follows:0,2, 4,6,8,10.The results :thatching rate and deformity rate of the embryos were observed, and the difference was significant(P<0.05).The normal embryonic development and high hatching rate were observed at salinities from 2 to 6,and the difference was not significant of three text(P>0.05).Deformity rate from 4 to 6,is low,but 4 was lowest to 2.67. Within 48 h after death amount is larger, but the salinity of the influence very well, suitable for 2-8,it is high for the 4(P>0.05). The SAI of larvae was highly correlated with Salinity, the salinity with SAI relationship:Y=-1.1468X2+11.231X+5.2364(R2=0.9598).In salinity,from 2 to 6,the SAI of larvae was positively related with hatching rate of fertilized eggs.Y=0.0075X+0.7035(R2=0.9371).The SAI of sailnity was positively related of deformity rate.Y=-0.0053X2+0.3027X-3.3947(R2=1).The results show that:the salinity is very important in the early development,and the choice of its salinity will directly affect its growth and development of it.
An acutetoxicity test was conducted to hatching rate and larval vitality in Triplophysa(Hedinichthys) yarkandensis(Day).Six different levels were set as follows:0,2, 4,6,8,10.The results :thatching rate and deformity rate of the embryos were observed, and the difference was significant(P<0.05).The normal embryonic development and high hatching rate were observed at salinities from 2 to 6,and the difference was not significant of three text(P>0.05).Deformity rate from 4 to 6,is low,but 4 was lowest to 2.67. Within 48 h after death amount is larger, but the salinity of the influence very well, suitable for 2-8,it is high for the 4(P>0.05). The SAI of larvae was highly correlated with Salinity, the salinity with SAI relationship:Y=-1.1468X2+11.231X+5.2364(R2=0.9598).In salinity,from 2 to 6,the SAI of larvae was positively related with hatching rate of fertilized eggs.Y=0.0075X+0.7035(R2=0.9371).The SAI of sailnity was positively related of deformity rate.Y=-0.0053X2+0.3027X-3.3947(R2=1).The results show that:the salinity is very important in the early development,and the choice of its salinity will directly affect its growth and development of it.
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