[Reproductive biology and artificial propagation of Acipenser sinensis below Gezhouba Dam].
Identifieur interne : 000B66 ( Main/Merge ); précédent : 000B65; suivant : 000B67[Reproductive biology and artificial propagation of Acipenser sinensis below Gezhouba Dam].
Auteurs : Jian-Yi Liu [République populaire de Chine] ; Qi-Wei Wei ; Xi-Hua Chen ; De-Guo Yang ; Hao Du ; Yong-Jiu ZhuSource :
- Ying yong sheng tai xue bao = The journal of applied ecology [ 1001-9332 ] ; 2007.
Descripteurs français
- Wicri :
- geographic : République populaire de Chine.
English descriptors
- KwdEn :
- MESH :
- chemical , pharmacology : Gonadotropin-Releasing Hormone.
- geographic : China.
- drug effects : Fertilization, Reproduction.
- growth & development : Fishes.
- physiology : Fishes, Reproduction.
- Animals, Female, Fresh Water, Male.
Abstract
A total of 36 females and 21 males of Chinese sturgeon Acipenser sinensis were caught in 1998-2004 excluding 2002 to study the characteristics of their reproductive biology and the effect of their artificial propagation. The results showed that the body length (BL), body mass (BM) and age of the females were 240-320 cm, 140-432 kg, and 15-30 years, and those of the males were 153-284 cm, 70-244 kg and 12-26 years, respectively. The inducing rate was 93.1% for females and 100% for males, and the ova had 7 different colors. The absolute fecundity was 200,000-590,000 eggs, with an average of 358,000 eggs, and the relative fecundity to BM was 820-3,020 eggs per kg, with an average of 1,590 eggs per kg. The sperm had 4 different colors. The absolute sperm quantity obtained from one male was 1,000-5,952 ml, with an average of 2,597.8 ml, and the relative sperm quantity to BM was 1.25-31.24 ml . kg(-1), with an average of 13.3 ml . kg(-1). During the study period, the average fertilization rate in artificial propagation was 63.7%, and the hatching rate was 48.1%, with 4,762,000 fry obtained. Compared with the data in 1976, the natural reproductive capacity of the Chinese sturgeon broodstocks declined greatly.
PubMed: 17763749
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pubmed:17763749Le document en format XML
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Wei" uniqKey="Wei Q" first="Qi-Wei" last="Wei">Qi-Wei Wei</name></author><author><name sortKey="Chen, Xi Hua" sort="Chen, Xi Hua" uniqKey="Chen X" first="Xi-Hua" last="Chen">Xi-Hua Chen</name></author><author><name sortKey="Yang, De Guo" sort="Yang, De Guo" uniqKey="Yang D" first="De-Guo" last="Yang">De-Guo Yang</name></author><author><name sortKey="Du, Hao" sort="Du, Hao" uniqKey="Du H" first="Hao" last="Du">Hao Du</name></author><author><name sortKey="Zhu, Yong Jiu" sort="Zhu, Yong Jiu" uniqKey="Zhu Y" first="Yong-Jiu" last="Zhu">Yong-Jiu Zhu</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2007">2007</date><idno type="RBID">pubmed:17763749</idno><idno type="pmid">17763749</idno><idno type="wicri:Area/PubMed/Corpus">000493</idno><idno type="wicri:explorRef" wicri:stream="PubMed" wicri:step="Corpus" wicri:corpus="PubMed">000493</idno><idno type="wicri:Area/PubMed/Curation">000493</idno><idno type="wicri:explorRef" wicri:stream="PubMed" 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Hubei, China. liujy999@vip.163.com</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>Open Key Laboratory of Freshwater Fish Germplasm Resources and Biotechnology of Agriculture Ministry, Yangtze River Fisheries Research Institute, Chinese Academy of Fisheries Sciences, Jingzhou 434000, Hubei</wicri:regionArea><wicri:noRegion>Hubei</wicri:noRegion></affiliation></author><author><name sortKey="Wei, Qi Wei" sort="Wei, Qi Wei" uniqKey="Wei Q" first="Qi-Wei" last="Wei">Qi-Wei Wei</name></author><author><name sortKey="Chen, Xi Hua" sort="Chen, Xi Hua" uniqKey="Chen X" first="Xi-Hua" last="Chen">Xi-Hua Chen</name></author><author><name sortKey="Yang, De Guo" sort="Yang, De Guo" uniqKey="Yang D" first="De-Guo" last="Yang">De-Guo Yang</name></author><author><name sortKey="Du, Hao" sort="Du, Hao" uniqKey="Du H" first="Hao" last="Du">Hao Du</name></author><author><name sortKey="Zhu, Yong Jiu" sort="Zhu, Yong Jiu" uniqKey="Zhu Y" first="Yong-Jiu" last="Zhu">Yong-Jiu Zhu</name></author></analytic><series><title level="j">Ying yong sheng tai xue bao = The journal of applied ecology</title><idno type="ISSN">1001-9332</idno><imprint><date when="2007" type="published">2007</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Animals</term><term>China</term><term>Female</term><term>Fertilization (drug effects)</term><term>Fishes (growth & development)</term><term>Fishes (physiology)</term><term>Fresh Water</term><term>Gonadotropin-Releasing Hormone (pharmacology)</term><term>Male</term><term>Reproduction (drug effects)</term><term>Reproduction (physiology)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="pharmacology" xml:lang="en"><term>Gonadotropin-Releasing Hormone</term></keywords><keywords scheme="MESH" type="geographic" xml:lang="en"><term>China</term></keywords><keywords scheme="MESH" qualifier="drug effects" xml:lang="en"><term>Fertilization</term><term>Reproduction</term></keywords><keywords scheme="MESH" qualifier="growth & development" xml:lang="en"><term>Fishes</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Fishes</term><term>Reproduction</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Animals</term><term>Female</term><term>Fresh Water</term><term>Male</term></keywords><keywords scheme="Wicri" type="geographic" xml:lang="fr"><term>République populaire de Chine</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">A total of 36 females and 21 males of Chinese sturgeon Acipenser sinensis were caught in 1998-2004 excluding 2002 to study the characteristics of their reproductive biology and the effect of their artificial propagation. The results showed that the body length (BL), body mass (BM) and age of the females were 240-320 cm, 140-432 kg, and 15-30 years, and those of the males were 153-284 cm, 70-244 kg and 12-26 years, respectively. The inducing rate was 93.1% for females and 100% for males, and the ova had 7 different colors. The absolute fecundity was 200,000-590,000 eggs, with an average of 358,000 eggs, and the relative fecundity to BM was 820-3,020 eggs per kg, with an average of 1,590 eggs per kg. The sperm had 4 different colors. The absolute sperm quantity obtained from one male was 1,000-5,952 ml, with an average of 2,597.8 ml, and the relative sperm quantity to BM was 1.25-31.24 ml . kg(-1), with an average of 13.3 ml . kg(-1). During the study period, the average fertilization rate in artificial propagation was 63.7%, and the hatching rate was 48.1%, with 4,762,000 fry obtained. Compared with the data in 1976, the natural reproductive capacity of the Chinese sturgeon broodstocks declined greatly.</div></front></TEI></record>Pour manipuler ce document sous Unix (Dilib)
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