疣吻沙蚕胚胎发育观察及盐度对其孵化的影响
采用显微镜观察了疣吻沙蚕（Tylorrhynchus heterochaeta）胚胎发育不同时期特征,并依据疣吻沙蚕人工孵化经验设置6个盐度梯度组（A：0,B：5,C：10,D：13,E：15,F：20）,每组3个平行,研究了盐度对疣吻沙蚕受精率和孵化率的影响。结果表明,疣吻沙蚕胚胎发育可分为受精卵、卵裂期、囊胚期、原肠期、前担轮幼虫期、后担轮幼虫期、膜内三刚节疣足幼虫期和三刚节疣足幼虫期8个时期;盐度对疣吻沙蚕孵化影响显著（P〈0.05）,C组受精率和孵化率最高,与其他组存在显著差异（P〈0.05）。适宜受精的盐度范围为10-13,最适孵化的盐度为10。...
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| Published in | 南方水产科学 Vol. 13; no. 4; pp. 115 - 121 |
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| Main Author | |
| Format | Journal Article |
| Language | Chinese |
| Published |
华南师范大学生命科学学院,广东 广州,510631%华南农业大学海洋学院,广东 广州,510642%广州市金洋水产养殖有限公司,广东 广州,511447%华南师范大学生命科学学院,广东 广州510631
2017
广州市金洋水产养殖有限公司,广东 广州511447 |
| Subjects | |
| Online Access | Get full text |
| ISSN | 2095-0780 |
| DOI | 10.3969/j.issn.2095-0780.2017.04.014 |
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| Abstract | 采用显微镜观察了疣吻沙蚕（Tylorrhynchus heterochaeta）胚胎发育不同时期特征,并依据疣吻沙蚕人工孵化经验设置6个盐度梯度组（A：0,B：5,C：10,D：13,E：15,F：20）,每组3个平行,研究了盐度对疣吻沙蚕受精率和孵化率的影响。结果表明,疣吻沙蚕胚胎发育可分为受精卵、卵裂期、囊胚期、原肠期、前担轮幼虫期、后担轮幼虫期、膜内三刚节疣足幼虫期和三刚节疣足幼虫期8个时期;盐度对疣吻沙蚕孵化影响显著（P〈0.05）,C组受精率和孵化率最高,与其他组存在显著差异（P〈0.05）。适宜受精的盐度范围为10-13,最适孵化的盐度为10。 |
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| AbstractList | 采用显微镜观察了疣吻沙蚕（Tylorrhynchus heterochaeta）胚胎发育不同时期特征,并依据疣吻沙蚕人工孵化经验设置6个盐度梯度组（A：0,B：5,C：10,D：13,E：15,F：20）,每组3个平行,研究了盐度对疣吻沙蚕受精率和孵化率的影响。结果表明,疣吻沙蚕胚胎发育可分为受精卵、卵裂期、囊胚期、原肠期、前担轮幼虫期、后担轮幼虫期、膜内三刚节疣足幼虫期和三刚节疣足幼虫期8个时期;盐度对疣吻沙蚕孵化影响显著（P〈0.05）,C组受精率和孵化率最高,与其他组存在显著差异（P〈0.05）。适宜受精的盐度范围为10-13,最适孵化的盐度为10。 S961.2+3; 采用显微镜观察了疣吻沙蚕(Tylorrhynchus heterochaeta)胚胎发育不同时期特征,并依据疣吻沙蚕人工孵化经验设置6个盐度梯度组(A:0,B:5,C:10,D:13,E:15,F:20),每组3个平行,研究了盐度对疣吻沙蚕受精率和孵化率的影响.结果表明,疣吻沙蚕胚胎发育可分为受精卵、卵裂期、囊胚期、原肠期、前担轮幼虫期、后担轮幼虫期、膜内三刚节疣足幼虫期和三刚节疣足幼虫期8个时期;盐度对疣吻沙蚕孵化影响显著(P<0.05),C组受精率和孵化率最高,与其他组存在显著差异(P<0.05).适宜受精的盐度范围为10~13,最适孵化的盐度为10. |
| Abstract_FL | We observed the embryonic development of Tylorrhynchus heterochaeta and investigated the effect of salinity on their fertilization and hatching rate.In an artificial incubation experiment,the fertilized eggs were hatched in six groups (each group with 3 parallels) at different salinities (A:0,B:5,C:10,D:13,E:15,F:20).The results show:1) The embryonic development of T.heterochaeta could be divided into eight stages,including zygote,cleavage,blastula,gastrula,early trochophore,late trochophore,three setiger nectochaete (unhatch) and three setiger nectochaete (hatch).2) The hatching rate was significantly affected by different salinities.The highest fertilization and hatching rate were observed in Group C,significantly different from those in the other groups(P<0.05).The suitable salinity range for the fertilization was 10~13,and the optimum hatching salinity was 10. |
| Author | 段薛辉 刘文生 许爱娱 徐慈浩 何庆棠 肖锐媛 潘淦 |
| AuthorAffiliation | 华南师范大学生命科学学院,广东广州510631 华南农业大学海洋学院,广东广州510642 广州市金洋水产养殖有限公司,广东广州511447 |
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| Author_FL | XU Aiyu HE Qingtang DUAN Xuehui XU Cihao XIAO Ruiyuan PAN Gan LIU Wensheng |
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| Copyright | Copyright © Wanfang Data Co. Ltd. All Rights Reserved. |
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| DocumentTitleAlternate | Observation on embryonic development of Tylorrhynchus heterochaeta and effect of salinity on their hatching |
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| Keywords | fertilization rate salinity 胚胎发育 embryonic development 疣吻沙蚕 孵化率 盐度 受精率 Tylorrhynchus heterochaetus hatching rate |
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| Notes | Tylorrhynchus heterochaetus ; embryonic development; salinity; fertilization rate ; hatching rate We observed the embryonic development of Tylorrhynchus heterochaeta and investigated the effect of salinity on their fertilization and hatching rate. In an artificial incubation experiment, the fertilized eggs were hatched in six groups （ each group with 3 parallels） at different salinities （A： 0, B： 5, C： 10, D： 13, E： 15, F： 20）. The results show： 1） The embryonic development of T. heterochaeta could be divided into eight stages, including zygote, cleavage, blastula, gastrula, early troehophore, late trochophore, three setiger nectochaete （unhatch） and three setiger nectochaete （hatch）. 2） The hatching rate was significantly affected by different salinities. The highest fertilization and hatching rate were observed in Group C, significantly different from those in the other groups（ P 〈 0.05 ）. The suitable salinity range for the fertilization was 10 -13, and the optimum hatching salinity was 10. 44-1683/S DUAN Xue |
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| PublicationTitle | 南方水产科学 |
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| PublicationYear | 2017 |
| Publisher | 华南师范大学生命科学学院,广东 广州,510631%华南农业大学海洋学院,广东 广州,510642%广州市金洋水产养殖有限公司,广东 广州,511447%华南师范大学生命科学学院,广东 广州510631 广州市金洋水产养殖有限公司,广东 广州511447 |
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| Snippet | 采用显微镜观察了疣吻沙蚕（Tylorrhynchus heterochaeta）胚胎发育不同时期特征,并依据疣吻沙蚕人工孵化经验设置6个盐度梯度组（A：0,B：5,C：10,D：13,E：15,F：20）,每... S961.2+3; 采用显微镜观察了疣吻沙蚕(Tylorrhynchus heterochaeta)胚胎发育不同时期特征,并依据疣吻沙蚕人工孵化经验设置6个盐度梯度组(A:0,B:5,C:10,D:13,E:15,F:20),每... |
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| SubjectTerms | 受精率 孵化率 疣吻沙蚕 盐度 胚胎发育 |
| Title | 疣吻沙蚕胚胎发育观察及盐度对其孵化的影响 |
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