Induced ovulation of yellow catfish (Pelteobagrus fulvidraco) using a combination of a gonadotrop‐releasing hormone analogue and domperidone
Identifieur interne : 000842 ( Main/Merge ); précédent : 000841; suivant : 000843Induced ovulation of yellow catfish (Pelteobagrus fulvidraco) using a combination of a gonadotrop‐releasing hormone analogue and domperidone
Auteurs : Youji Wang [République populaire de Chine] ; Menghong Hu [République populaire de Chine] ; Siu Gin Cheung [République populaire de Chine] ; Paul K. S. Shin [République populaire de Chine] ; Limin Song [République populaire de Chine] ; Weimin Wang [République populaire de Chine]Source :
- Aquaculture Research [ 1355-557X ] ; 2010-07.
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Abstract
The effects of an intraperitoneal hormone injection of gonadotropin‐releasing hormone agonist (D‐Ala6, Pro9‐NEt GnRHa) alone or in combination with a dopamine antagonist, domperidone (DOM), on ovulation induction in yellow catfish Pelteobagrus fulvidraco were tested. The hormone treatments were as follows: 6 mg kg−1 body weight (BW) of carp pituitary extract as a positive control, GnRHa 10, 20, 40 and 80 μg kg−1 BW and a combination of GnRHa and DOM as follows: 10 μg+5 mg, 20 μg+10 mg, 40 μg+20 mg and 80 μg+40 mg kg−1 BW. Physiological saline (0.7% NaCl) was used as a negative control. Significant differences in the ovulation ratio, latency period and ovulation index (OI) were observed among treatments (P<0.05). The combination of GnRHa and DOM at doses of 40 μg+20 mg kg−1 BW had higher values of the ovulation ratio and OI, and a shorter latency period compared with other treatments. The highest OI in GnRHa treatments was only 56.67%, suggesting a dopaminergic tone on gonadotropin secretion in this fish at the pre‐ovulatory stage. Therefore, ovulation can be successfully induced in yellow catfish with 40 μg kg−1 GnRHa+20 mg kg−1 DOM without affecting the egg quality.
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DOI: 10.1111/j.1365-2109.2009.02411.x
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Shin</name></author><author><name sortKey="Song, Limin" sort="Song, Limin" uniqKey="Song L" first="Limin" last="Song">Limin Song</name></author><author><name sortKey="Wang, Weimin" sort="Wang, Weimin" uniqKey="Wang W" first="Weimin" last="Wang">Weimin Wang</name></author></titleStmt><publicationStmt><idno type="wicri:source">ISTEX</idno><idno type="RBID">ISTEX:56A0DB5169221BD5675078481FC86211DB3B9558</idno><date when="2010" year="2010">2010</date><idno type="doi">10.1111/j.1365-2109.2009.02411.x</idno><idno type="url">https://api.istex.fr/document/56A0DB5169221BD5675078481FC86211DB3B9558/fulltext/pdf</idno><idno type="wicri:Area/Istex/Corpus">000A04</idno><idno type="wicri:explorRef" wicri:stream="Istex" wicri:step="Corpus" wicri:corpus="ISTEX">000A04</idno><idno type="wicri:Area/Istex/Curation">000A02</idno><idno type="wicri:Area/Istex/Checkpoint">000353</idno><idno type="wicri:explorRef" wicri:stream="Istex" wicri:step="Checkpoint">000353</idno><idno type="wicri:doubleKey">1355-557X:2010:Wang Y:induced:ovulation:of</idno><idno type="wicri:Area/Main/Merge">000842</idno></publicationStmt><sourceDesc><biblStruct><analytic><title level="a" type="main" xml:lang="en">Induced ovulation of yellow catfish (Pelteobagrus fulvidraco) using a combination of a gonadotrop‐releasing hormone analogue and domperidone</title><author><name sortKey="Wang, Youji" sort="Wang, Youji" uniqKey="Wang Y" first="Youji" last="Wang">Youji Wang</name><affiliation wicri:level="1"><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>Key Laboratory of Agricultural Animal Genetics, College of Fishery, Huazhong Agricultural University, Wuhan, Hubei</wicri:regionArea><wicri:noRegion>Hubei</wicri:noRegion></affiliation><affiliation wicri:level="1"><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>Department of Biology and Chemistry, City University of Hong Kong, Kowloon, Hong Kong</wicri:regionArea><wicri:noRegion>Hong Kong</wicri:noRegion></affiliation></author><author><name sortKey="Hu, Menghong" sort="Hu, Menghong" uniqKey="Hu M" first="Menghong" last="Hu">Menghong Hu</name><affiliation wicri:level="1"><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>Department of Biology and Chemistry, City University of Hong Kong, Kowloon, Hong Kong</wicri:regionArea><wicri:noRegion>Hong Kong</wicri:noRegion></affiliation></author><author><name sortKey="Cheung, Siu Gin" sort="Cheung, Siu Gin" uniqKey="Cheung S" first="Siu Gin" last="Cheung">Siu Gin Cheung</name><affiliation wicri:level="1"><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>Department of Biology and Chemistry, City University of Hong Kong, Kowloon, Hong Kong</wicri:regionArea><wicri:noRegion>Hong Kong</wicri:noRegion></affiliation></author><author><name sortKey="Shin, Paul K S" sort="Shin, Paul K S" uniqKey="Shin P" first="Paul K. 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The hormone treatments were as follows: 6 mg kg−1 body weight (BW) of carp pituitary extract as a positive control, GnRHa 10, 20, 40 and 80 μg kg−1 BW and a combination of GnRHa and DOM as follows: 10 μg+5 mg, 20 μg+10 mg, 40 μg+20 mg and 80 μg+40 mg kg−1 BW. Physiological saline (0.7% NaCl) was used as a negative control. Significant differences in the ovulation ratio, latency period and ovulation index (OI) were observed among treatments (P<0.05). The combination of GnRHa and DOM at doses of 40 μg+20 mg kg−1 BW had higher values of the ovulation ratio and OI, and a shorter latency period compared with other treatments. The highest OI in GnRHa treatments was only 56.67%, suggesting a dopaminergic tone on gonadotropin secretion in this fish at the pre‐ovulatory stage. Therefore, ovulation can be successfully induced in yellow catfish with 40 μg kg−1 GnRHa+20 mg kg−1 DOM without affecting the egg quality.</div></front></TEI></record>Pour manipuler ce document sous Unix (Dilib)
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