Effect of hormonal stimulation on captive broodstock maturation, induced breeding and spawning performance of striped snakehead, Channa striata (Bloch, 1793)
•Striped snakehead, Channa striata is a potential candidate species for diversification of aquaculture in Asia.•Broodstock developed in concrete tanks with sustained hCG implant resulted in increased gonadosomatic index and ova size.•Hormone implanted fishes showed better egg output, fertilization a...
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| Veröffentlicht in: | Animal reproduction science 2021-01, Vol.224, p.106650-106650, Article 106650 |
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| creator | Kumar, Rajesh Mohanty, U.L. Pillai, Bindu R. |
| description | •Striped snakehead, Channa striata is a potential candidate species for diversification of aquaculture in Asia.•Broodstock developed in concrete tanks with sustained hCG implant resulted in increased gonadosomatic index and ova size.•Hormone implanted fishes showed better egg output, fertilization and hatching rate.•Method of broodstock development and captive breeding might help in the mass scale seed production of striped snakehead.
In the present study, there was assessment of effects of gonadotropin treatments on broodstock maturation, induced breeding, and spawning outcomes of striped snakehead in captivity. The striped snakehead (n = 128) were equally distributed in four concrete tanks (15 m2) and hormone implants (500 IU human chorionic gonadotropin (hCG)/kg body weight) were inserted intramuscularly and striped snakehead broodstock administered this treatment were confined in two tanks and striped snakehead of a non-implanted group were confined in two tanks. The hormone implanted striped snakehead had a greater (P |
| doi_str_mv | 10.1016/j.anireprosci.2020.106650 |
| format | Article |
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In the present study, there was assessment of effects of gonadotropin treatments on broodstock maturation, induced breeding, and spawning outcomes of striped snakehead in captivity. The striped snakehead (n = 128) were equally distributed in four concrete tanks (15 m2) and hormone implants (500 IU human chorionic gonadotropin (hCG)/kg body weight) were inserted intramuscularly and striped snakehead broodstock administered this treatment were confined in two tanks and striped snakehead of a non-implanted group were confined in two tanks. The hormone implanted striped snakehead had a greater (P < 0.05) gonadosomatic index (GSI) and oocyte diameter in comparison to non-implanted striped snakehead. In a subsequent experiment, hCG and carp pituitary homogenate (CPH) were evaluated for inducing breeding. Dosages of hCG used were, 2,000 (TH1), 3000 (TH2), and 4000 (TH3) IU hCG/kg body weight of females. Dosages of CPH were, 20 (TP1), 30 (TP2), and 40 (TP3) mg CPH/kg body weight of females. Males were administered 0.75 of the dosage administered to females. The values for reproductive variables were estimated. Fertilization (89.0 ± 3.0 %) and hatching (92.0 ± 1.0 %) rates were greater (P < 0.05) in the TH1 group of implanted striped snakehead. Relative fecundity (19,023 ± 2211), as well as fertilization (96.2 ± 2.4 %), and hatching (96.6 ± 1.7 %) rates were greater in the TP2 group of the implanted striped snakehead. The results from the present study indicate broodstock treated with gonadotropins had greater spawning outcomes which might facilitate mass scale breeding and fertilized egg as well as juvenile production of striped snakehead in captivity.</description><identifier>ISSN: 0378-4320</identifier><identifier>EISSN: 1873-2232</identifier><identifier>DOI: 10.1016/j.anireprosci.2020.106650</identifier><identifier>PMID: 33246236</identifier><language>eng</language><publisher>Netherlands: Elsevier B.V</publisher><subject>Channa striata ; Hormonal stimulation ; Induced breeding ; Spawning performance ; Striped snakehead</subject><ispartof>Animal reproduction science, 2021-01, Vol.224, p.106650-106650, Article 106650</ispartof><rights>2020 Elsevier B.V.</rights><rights>Copyright © 2020 Elsevier B.V. All rights reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c377t-33e06bd7c49323c699c45dadddd1a0fb59c11cda8f39d622f21a316601504bed3</citedby><cites>FETCH-LOGICAL-c377t-33e06bd7c49323c699c45dadddd1a0fb59c11cda8f39d622f21a316601504bed3</cites><orcidid>0000-0002-4911-2981</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.anireprosci.2020.106650$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/33246236$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Kumar, Rajesh</creatorcontrib><creatorcontrib>Mohanty, U.L.</creatorcontrib><creatorcontrib>Pillai, Bindu R.</creatorcontrib><title>Effect of hormonal stimulation on captive broodstock maturation, induced breeding and spawning performance of striped snakehead, Channa striata (Bloch, 1793)</title><title>Animal reproduction science</title><addtitle>Anim Reprod Sci</addtitle><description>•Striped snakehead, Channa striata is a potential candidate species for diversification of aquaculture in Asia.•Broodstock developed in concrete tanks with sustained hCG implant resulted in increased gonadosomatic index and ova size.•Hormone implanted fishes showed better egg output, fertilization and hatching rate.•Method of broodstock development and captive breeding might help in the mass scale seed production of striped snakehead.
In the present study, there was assessment of effects of gonadotropin treatments on broodstock maturation, induced breeding, and spawning outcomes of striped snakehead in captivity. The striped snakehead (n = 128) were equally distributed in four concrete tanks (15 m2) and hormone implants (500 IU human chorionic gonadotropin (hCG)/kg body weight) were inserted intramuscularly and striped snakehead broodstock administered this treatment were confined in two tanks and striped snakehead of a non-implanted group were confined in two tanks. The hormone implanted striped snakehead had a greater (P < 0.05) gonadosomatic index (GSI) and oocyte diameter in comparison to non-implanted striped snakehead. In a subsequent experiment, hCG and carp pituitary homogenate (CPH) were evaluated for inducing breeding. Dosages of hCG used were, 2,000 (TH1), 3000 (TH2), and 4000 (TH3) IU hCG/kg body weight of females. Dosages of CPH were, 20 (TP1), 30 (TP2), and 40 (TP3) mg CPH/kg body weight of females. Males were administered 0.75 of the dosage administered to females. The values for reproductive variables were estimated. Fertilization (89.0 ± 3.0 %) and hatching (92.0 ± 1.0 %) rates were greater (P < 0.05) in the TH1 group of implanted striped snakehead. Relative fecundity (19,023 ± 2211), as well as fertilization (96.2 ± 2.4 %), and hatching (96.6 ± 1.7 %) rates were greater in the TP2 group of the implanted striped snakehead. The results from the present study indicate broodstock treated with gonadotropins had greater spawning outcomes which might facilitate mass scale breeding and fertilized egg as well as juvenile production of striped snakehead in captivity.</description><subject>Channa striata</subject><subject>Hormonal stimulation</subject><subject>Induced breeding</subject><subject>Spawning performance</subject><subject>Striped snakehead</subject><issn>0378-4320</issn><issn>1873-2232</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><recordid>eNqNkd1u1DAQhS0EokvhFZC5K9Jm8U_ibC5hVX6kStzAtTWxJ6y3iR1sp4iH4V1xugVxiWXJsuebM_I5hLzibMcZV29OO_Au4hxDMm4nmFjflWrYI7Lh-1ZWQkjxmGyYbPdVLQW7IM9SOjHGWqW6p-RCSlErIdWG_LoeBjSZhoEeQ5yCh5Gm7KZlhOyCp2UbmLO7Q9rHEGzKwdzSCfIS74Etdd4uBm0pI1rnv1HwlqYZfvj1MmMcii54g-uMlKObC5w83OIRwW7p4Qjew30FMtCrd2Mwxy3lbSdfPydPBhgTvng4L8nX99dfDh-rm88fPh3e3lRGtm2upESmetuaupNCGtV1pm4s2LI4sKFvOsO5sbAfZGeVEIPgILlSjDes7tHKS3J11i2Wfl8wZT25ZHAcwWNYki5uNXUtWlYXtDujprifIg56jm6C-FNzptd09En_k45e09HndErvy4cxSz-h_dv5J44CHM4Als_eOYy6SGDxzhZBk7UN7j_G_Aa_xqlR</recordid><startdate>202101</startdate><enddate>202101</enddate><creator>Kumar, Rajesh</creator><creator>Mohanty, U.L.</creator><creator>Pillai, Bindu R.</creator><general>Elsevier B.V</general><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope><orcidid>https://orcid.org/0000-0002-4911-2981</orcidid></search><sort><creationdate>202101</creationdate><title>Effect of hormonal stimulation on captive broodstock maturation, induced breeding and spawning performance of striped snakehead, Channa striata (Bloch, 1793)</title><author>Kumar, Rajesh ; Mohanty, U.L. ; Pillai, Bindu R.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c377t-33e06bd7c49323c699c45dadddd1a0fb59c11cda8f39d622f21a316601504bed3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>Channa striata</topic><topic>Hormonal stimulation</topic><topic>Induced breeding</topic><topic>Spawning performance</topic><topic>Striped snakehead</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Kumar, Rajesh</creatorcontrib><creatorcontrib>Mohanty, U.L.</creatorcontrib><creatorcontrib>Pillai, Bindu R.</creatorcontrib><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>Animal reproduction science</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Kumar, Rajesh</au><au>Mohanty, U.L.</au><au>Pillai, Bindu R.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Effect of hormonal stimulation on captive broodstock maturation, induced breeding and spawning performance of striped snakehead, Channa striata (Bloch, 1793)</atitle><jtitle>Animal reproduction science</jtitle><addtitle>Anim Reprod Sci</addtitle><date>2021-01</date><risdate>2021</risdate><volume>224</volume><spage>106650</spage><epage>106650</epage><pages>106650-106650</pages><artnum>106650</artnum><issn>0378-4320</issn><eissn>1873-2232</eissn><abstract>•Striped snakehead, Channa striata is a potential candidate species for diversification of aquaculture in Asia.•Broodstock developed in concrete tanks with sustained hCG implant resulted in increased gonadosomatic index and ova size.•Hormone implanted fishes showed better egg output, fertilization and hatching rate.•Method of broodstock development and captive breeding might help in the mass scale seed production of striped snakehead.
In the present study, there was assessment of effects of gonadotropin treatments on broodstock maturation, induced breeding, and spawning outcomes of striped snakehead in captivity. The striped snakehead (n = 128) were equally distributed in four concrete tanks (15 m2) and hormone implants (500 IU human chorionic gonadotropin (hCG)/kg body weight) were inserted intramuscularly and striped snakehead broodstock administered this treatment were confined in two tanks and striped snakehead of a non-implanted group were confined in two tanks. The hormone implanted striped snakehead had a greater (P < 0.05) gonadosomatic index (GSI) and oocyte diameter in comparison to non-implanted striped snakehead. In a subsequent experiment, hCG and carp pituitary homogenate (CPH) were evaluated for inducing breeding. Dosages of hCG used were, 2,000 (TH1), 3000 (TH2), and 4000 (TH3) IU hCG/kg body weight of females. Dosages of CPH were, 20 (TP1), 30 (TP2), and 40 (TP3) mg CPH/kg body weight of females. Males were administered 0.75 of the dosage administered to females. The values for reproductive variables were estimated. Fertilization (89.0 ± 3.0 %) and hatching (92.0 ± 1.0 %) rates were greater (P < 0.05) in the TH1 group of implanted striped snakehead. Relative fecundity (19,023 ± 2211), as well as fertilization (96.2 ± 2.4 %), and hatching (96.6 ± 1.7 %) rates were greater in the TP2 group of the implanted striped snakehead. The results from the present study indicate broodstock treated with gonadotropins had greater spawning outcomes which might facilitate mass scale breeding and fertilized egg as well as juvenile production of striped snakehead in captivity.</abstract><cop>Netherlands</cop><pub>Elsevier B.V</pub><pmid>33246236</pmid><doi>10.1016/j.anireprosci.2020.106650</doi><tpages>1</tpages><orcidid>https://orcid.org/0000-0002-4911-2981</orcidid></addata></record> |
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| subjects | Channa striata Hormonal stimulation Induced breeding Spawning performance Striped snakehead |
| title | Effect of hormonal stimulation on captive broodstock maturation, induced breeding and spawning performance of striped snakehead, Channa striata (Bloch, 1793) |
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