Confirmation of ovarian homogeneity in post-vitellogenic cultured white sturgeon, Acipenser transmontanus.
Identifieur interne : 000212 ( Main/Merge ); précédent : 000211; suivant : 000213Confirmation of ovarian homogeneity in post-vitellogenic cultured white sturgeon, Acipenser transmontanus.
Auteurs : Mariah J. Talbott [Samoa] ; Sarah A. Servid ; Anna G. Cavinato ; Joel P. Van Eenennaam ; Serge I. Doroshov ; Peter Struffenegger ; Molly A H. WebbSource :
- Fish physiology and biochemistry [ 1573-5168 ] ; 2014.
English descriptors
- KwdEn :
- MESH :
- chemical , biosynthesis : Vitellogenins.
- cytology : Ovarian Follicle, Ovary.
- physiology : Cell Polarity, Oocytes, Ovarian Follicle, Ovary, Vitellogenesis.
- Animals, Aquaculture, Cells, Cultured, Female, Fishes, Spectroscopy, Near-Infrared.
Abstract
Assessing stage of oocyte maturity in female sturgeon by calculating oocyte polarization index (PI) is a necessary tool for both conservation propagation managers and caviar producers to know when to hormonally induce spawning. We tested the assumption that sampling ovarian follicles from one section of one ovary is sufficient for calculating an oocyte PI representative of oocyte maturity for an individual animal. Short-wavelength near-infrared spectroscopy (SW-NIR) scans were performed on three positions per ovary for five fish prior to caviar harvest. Samples of ovarian follicles were subsequently taken from the exact location of the SW-NIR scans for calculation of oocyte PI and follicle diameter. Oocyte PI was statistically different though not biologically relevant within an ovary and between ovaries in four of five fish. Follicle diameter was statistically different but not biologically relevant within an ovary in three of five fish. There were no differences in follicle diameter between ovaries. No statistical differences were observed between SW-NIR spectra collected at different locations within an ovary or between ovaries. These results emphasize the importance of utilizing both oocyte PI measurement and progesterone-induced oocyte maturation assays while deciding when to hormonally induce spawning in sturgeon females.
DOI: 10.1007/s10695-013-9774-x
PubMed: 24174166
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Servid</name></author><author><name sortKey="Cavinato, Anna G" sort="Cavinato, Anna G" uniqKey="Cavinato A" first="Anna G" last="Cavinato">Anna G. Cavinato</name></author><author><name sortKey="Van Eenennaam, Joel P" sort="Van Eenennaam, Joel P" uniqKey="Van Eenennaam J" first="Joel P" last="Van Eenennaam">Joel P. Van Eenennaam</name></author><author><name sortKey="Doroshov, Serge I" sort="Doroshov, Serge I" uniqKey="Doroshov S" first="Serge I" last="Doroshov">Serge I. Doroshov</name></author><author><name sortKey="Struffenegger, Peter" sort="Struffenegger, Peter" uniqKey="Struffenegger P" first="Peter" last="Struffenegger">Peter Struffenegger</name></author><author><name sortKey="Webb, Molly A H" sort="Webb, Molly A H" uniqKey="Webb M" first="Molly A H" last="Webb">Molly A H. 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Talbott</name><affiliation wicri:level="1"><nlm:affiliation>Bozeman Fish Technology Center, U.S. Fish and Wildlife Service, 4050 Bridger Canyon Rd, Bozeman, MT, 59715, USA, Mariah_Talbott@fws.gov.</nlm:affiliation><country wicri:rule="url">Samoa</country><wicri:regionArea>Bozeman Fish Technology Center, U.S. Fish and Wildlife Service, 4050 Bridger Canyon Rd, Bozeman, MT, 59715, USA</wicri:regionArea><wicri:noRegion>USA</wicri:noRegion></affiliation></author><author><name sortKey="Servid, Sarah A" sort="Servid, Sarah A" uniqKey="Servid S" first="Sarah A" last="Servid">Sarah A. Servid</name></author><author><name sortKey="Cavinato, Anna G" sort="Cavinato, Anna G" uniqKey="Cavinato A" first="Anna G" last="Cavinato">Anna G. Cavinato</name></author><author><name sortKey="Van Eenennaam, Joel P" sort="Van Eenennaam, Joel P" uniqKey="Van Eenennaam J" first="Joel P" last="Van Eenennaam">Joel P. Van Eenennaam</name></author><author><name sortKey="Doroshov, Serge I" sort="Doroshov, Serge I" uniqKey="Doroshov S" first="Serge I" last="Doroshov">Serge I. Doroshov</name></author><author><name sortKey="Struffenegger, Peter" sort="Struffenegger, Peter" uniqKey="Struffenegger P" first="Peter" last="Struffenegger">Peter Struffenegger</name></author><author><name sortKey="Webb, Molly A H" sort="Webb, Molly A H" uniqKey="Webb M" first="Molly A H" last="Webb">Molly A H. Webb</name></author></analytic><series><title level="j">Fish physiology and biochemistry</title><idno type="eISSN">1573-5168</idno><imprint><date when="2014" type="published">2014</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Animals</term><term>Aquaculture</term><term>Cell Polarity (physiology)</term><term>Cells, Cultured</term><term>Female</term><term>Fishes</term><term>Oocytes (physiology)</term><term>Ovarian Follicle (cytology)</term><term>Ovarian Follicle (physiology)</term><term>Ovary (cytology)</term><term>Ovary (physiology)</term><term>Spectroscopy, Near-Infrared</term><term>Vitellogenesis (physiology)</term><term>Vitellogenins (biosynthesis)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="biosynthesis" xml:lang="en"><term>Vitellogenins</term></keywords><keywords scheme="MESH" qualifier="cytology" xml:lang="en"><term>Ovarian Follicle</term><term>Ovary</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Cell Polarity</term><term>Oocytes</term><term>Ovarian Follicle</term><term>Ovary</term><term>Vitellogenesis</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Animals</term><term>Aquaculture</term><term>Cells, Cultured</term><term>Female</term><term>Fishes</term><term>Spectroscopy, Near-Infrared</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Assessing stage of oocyte maturity in female sturgeon by calculating oocyte polarization index (PI) is a necessary tool for both conservation propagation managers and caviar producers to know when to hormonally induce spawning. We tested the assumption that sampling ovarian follicles from one section of one ovary is sufficient for calculating an oocyte PI representative of oocyte maturity for an individual animal. Short-wavelength near-infrared spectroscopy (SW-NIR) scans were performed on three positions per ovary for five fish prior to caviar harvest. Samples of ovarian follicles were subsequently taken from the exact location of the SW-NIR scans for calculation of oocyte PI and follicle diameter. Oocyte PI was statistically different though not biologically relevant within an ovary and between ovaries in four of five fish. Follicle diameter was statistically different but not biologically relevant within an ovary in three of five fish. There were no differences in follicle diameter between ovaries. No statistical differences were observed between SW-NIR spectra collected at different locations within an ovary or between ovaries. These results emphasize the importance of utilizing both oocyte PI measurement and progesterone-induced oocyte maturation assays while deciding when to hormonally induce spawning in sturgeon females.</div></front></TEI></record>Pour manipuler ce document sous Unix (Dilib)
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