https://m2.mtmt.hu/ hun 2026-04-29 22:13 JournalArticle 31280339 VALIDATED true Department of Aquaculture, Faculty of Agricultural and Environmental Sciences, Szent István University, Gödöllő, 2100, Hungary National University of Public Service, Faculty of Water Sciences, Bajcsy-Zsilinszky utca 12-14., Baja, 6500, Hungary MTA Centre for Ecological Research, Danube Research Institute, Budapest, 1113, Hungary Department of Animal Sciences, Georgikon Faculty, University of Pannonia, Keszthely, 8360, Hungary Department of Microbiology, Faculty of Science, ELTE Eötvös Loránd University, Budapest, 1117, Hungary Department of Aquaculture, Faculty of Agricultural and Environmental Sciences, Kaposvár University, Kaposvár, 7400, Hungary Frontline Fish Genomics Research Group, Department of Animal Sciences, Georgikon Faculty, University of Pannonia, Keszthely, 8360, Hungary Cited By :8 Export Date: 18 November 2022 CODEN: AQCLA Correspondence Address: Müller, T.; Department of Aquaculture, Hungary; email: Muller.Tamas@mkk.szie.hu 0 false 2026-04-13T13:17:00.145+0000 2023-02-14T13:07:54.046+0000 2020-04-16T09:22:59.443+0000 true 10019782 Csámer Iván /api/admin/10019782 Admin true 10019782 2025-01-29T08:34:13.760+0000 2020-07-14T07:06:42.831+0000 true 10067543 Polgár Klaudia /api/admin/10067543 Admin true 2021-02-16T14:04:50.562+0000 true 10020110 Farkas Andrea /api/admin/10020110 Admin true 10020110 Admin 10067876 /api/admin/10067876 Ladányi Gusztáv true true Admin 10025544 /api/admin/10025544 Lévayné Deseő Katalin true 10025544 true 2024-10-17T16:03:37.393+0000 true false true 24 24 /api/publicationtype/24 PublicationType 1 true 24 JournalArticle true 10000059 Article true 24 24 /api/publicationtype/24 PublicationType 1 true 24 JournalArticle /api/subtype/10000059 Szakcikk SubType 101 true 10000059 true 1 /api/category/1 Category true 1 Muller, Tamas New observations about the fertilisation capacity and latency time of sperm inseminated into the ovary of African catfish (Clarias gariepinus), an oviparous modelfish true true /api/journal/475 REVIEWED true false 475 false 475 true 0044-8486 1873-5622 Journal FOREIGN 522 735109 735109 8 2020 In our former study, we proved that sperm injected into the ovary by catheter through the oviduct 10-12 h before hormonally induced ovulation, retains its fertilizing capacity for several hours. Using this method, we produced viable larvae via in vitro fertilisation. The aim of this study was to investigate the time-dependent fertilizing capacity of sperm which were introduced into ovary. Sperm samples (2 mL sperm / bodyweight kg) were incubated in gonad lobes 5, 10, 15, 20, 25, 36 and 48 h before the gamete stripping. Ovulation was induced by extracted carp pituitary (CPE) hormonal administration (5 mg CPE / BW kg). There were no statistical differences (p < 0.05) among the hatching rates in the 5-25 h treatment groups, but we observed large individual fluctuations in fertilisation and hatching rate within the groups. However, at 48 h the treated group showed low fertilisation and hatching rate indicating loss of fertilizing capacity. In our second experiment cycle, three different inseminated sperm dosages were tested on fertilisation from the same pooled sperm batch; 2 mL, 1 mL and 0.5 mL sperm volume/BW kg. The 0.5 mL sperm dosage showed statistically (p < 0.05) higher fertilisation and hatching rate indicating that small milt volume was enough to apply for propagation. According to scanning electron microscopic analysis, this is the first observation that there is a chance for 'internal gametic association' reproduction strategy in fish species, where there is no direct contact between the two sexes in the spawning. 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/api/keyword/1575764 true true Keyword 1936564 /api/keyword/1936564 true true Keyword 2005371 /api/keyword/2005371 true true Keyword 2005372 /api/keyword/2005372 true true Keyword 2005373 /api/keyword/2005373 true true Keyword 2005374 /api/keyword/2005374 true true Keyword 2005375 /api/keyword/2005375 true true SjrRating 10744333 /api/sjrrating/10744333 23 0.24 journal RatingType 10002 /api/ratingtype/10002 sjr true true ClassificationExternal 1104 /api/classificationexternal/1104 true 1104 true Q1 DIRECT true true /api/publication/31280339 <div class="JournalArticle Publication long-list"> <div class="authors"> <img title="Forrásközlemény" style="float: left" src="/frontend/resources/grid/publication-core-icon.png"> <img title="Idézőközlemény" style="float: left" src="/frontend/resources/grid/publication-citation-icon.png"> <div class="autype autype0"> <span class="author-name" mtid="10000187"><a href="/gui2/?type=authors&mode=browse&sel=10000187" target="_blank">Muller Tamas ✉ (<span class="authorship-author-name">Müller Tamás</span> <span class="authorAux-mtmt"> Halászati tudományok</span>) </a> </span> <span class="author-affil"><span title="Szent István Egyetem">SZIE</span>/<span title="Mezõgazdaság- és Környezettudományi Kar">MKK</span>/Akvakultúra és Környezetbiztonsági Intézet</span> ;&nbsp;&nbsp;&nbsp; <span class="author-name" mtid="10000505"><a href="/gui2/?type=authors&mode=browse&sel=10000505" target="_blank">Acs Eva ✉ (<span class="authorship-author-name">Ács Éva</span> <span class="authorAux-mtmt"> Hidrobiológia</span>) </a> </span> <span class="author-affil"><span title="Ökológiai Kutatóközpont">ÖK</span>/Duna-kutató Intézet; <span title="Nemzeti Közszolgálati Egyetem">NKE</span>/<span title="Víztudományi Kar">VTK</span>/Víz- és Környezetpolitikai Tanszék</span> ;&nbsp;&nbsp;&nbsp; <span class="author-name" mtid="10035280"><a href="/gui2/?type=authors&mode=browse&sel=10035280" target="_blank">Beliczky Gabor (<span class="authorship-author-name">Beliczky Gábor Péter</span> <span class="authorAux-mtmt"> állattudomány</span>) </a> </span> <span class="author-affil"><span title="Pannon Egyetem">PE</span>/<span title="Georgikon Kar">GK</span>/Állattudományi Tanszék</span> ;&nbsp;&nbsp;&nbsp; <span class="author-name" mtid="10020651"><a href="/gui2/?type=authors&mode=browse&sel=10020651" target="_blank">Makk Judit (<span class="authorship-author-name">Makk Judit</span> <span class="authorAux-mtmt"> Mikrobiológia</span>) </a> </span> <span class="author-affil"><span title="Eötvös Loránd Tudományegyetem">ELTE</span>/<span title="Természettudományi Kar">TTK</span>/<span title="Biológiai Intézet">Bio_I</span>/Mikrobiológiai Tanszék</span> ;&nbsp;&nbsp;&nbsp; <span class="author-name" mtid="10057665"><a href="/gui2/?type=authors&mode=browse&sel=10057665" target="_blank">Foldi Angela (<span class="authorship-author-name">Földi Angéla</span> <span class="authorAux-mtmt"> Hidrobiológia</span>) </a> </span> ;&nbsp;&nbsp;&nbsp; <span class="author-name" mtid="10002307"><a href="/gui2/?type=authors&mode=browse&sel=10002307" target="_blank">Kucska Balazs (<span class="authorship-author-name">Kucska Balázs</span> <span class="authorAux-mtmt"> Haltenyésztés</span>) </a> </span> <span class="author-affil"><span title="Szent István Egyetem">SZIE</span>/<span title="Agrár- és Környezettudományi Kar">AKK</span>/<span title="Környezettudományi és Természetvédelmi Intézet">KTTVI</span>/Aquakultúra és Halgazdálkodási Tanszék</span> ;&nbsp;&nbsp;&nbsp; <span class="author-name" mtid="10001486"><a href="/gui2/?type=authors&mode=browse&sel=10001486" target="_blank">Horvath Laszlo (<span class="authorship-author-name">Horváth László</span> <span class="authorAux-mtmt"> Haltenyésztés</span>) </a> </span> <span class="author-affil"><span title="Szent István Egyetem">SZIE</span>/<span title="Mezõgazdaság- és Környezettudományi Kar">MKK</span>/Természeti Erőforrások Megőrzése Intézet</span> ;&nbsp;&nbsp;&nbsp; <span class="author-name" >Ittzes Aron </span> ;&nbsp;&nbsp;&nbsp; <span class="author-name" mtid="10001471"><a href="/gui2/?type=authors&mode=browse&sel=10001471" target="_blank">Hegyi Arpad (<span class="authorship-author-name">Hegyi Árpád</span> <span class="authorAux-mtmt"> Halélettan</span>) </a> </span> <span class="author-affil"><span title="Szent István Egyetem">SZIE</span>/<span title="Mezõgazdaság- és Környezettudományi Kar">MKK</span>/Természeti Erőforrások Megőrzése Intézet</span> ;&nbsp;&nbsp;&nbsp; <span class="author-name" mtid="10000200"><a href="/gui2/?type=authors&mode=browse&sel=10000200" target="_blank">Szabo Tamas (<span class="authorship-author-name">Szabó Tamás</span> <span class="authorAux-mtmt"> Haltenyésztés és halgazdálkodás</span>) </a> </span> <span class="author-affil"><span title="Szent István Egyetem">SZIE</span>/<span title="Mezõgazdaság- és Környezettudományi Kar">MKK</span>/Természeti Erőforrások Megőrzése Intézet</span> ;&nbsp;&nbsp;&nbsp; <span class="author-name" mtid="10001729"><a href="/gui2/?type=authors&mode=browse&sel=10001729" target="_blank">Urbanyi Bela (<span class="authorship-author-name">Urbányi Béla</span> <span class="authorAux-mtmt"> Halszaporítás</span>) </a> </span> <span class="author-affil"><span title="Szent István Egyetem">SZIE</span>/<span title="Mezõgazdaság- és Környezettudományi Kar">MKK</span>/Természeti Erőforrások Megőrzése Intézet</span> ;&nbsp;&nbsp;&nbsp; <span class="author-name" mtid="10070833"><a href="/gui2/?type=authors&mode=browse&sel=10070833" target="_blank">Nguyen Ngoc Quyen (<span class="authorship-author-name">Quyen Nguyen Ngoc</span> <span class="authorAux-mtmt"> Animal sciences</span>) </a> </span> <span class="author-affil"><span title="Szent István Egyetem">SZIE</span>/<span title="Szent István Egyetem Doktori Iskolák">DI</span>/Állattenyésztés-tudományi Doktori Iskola</span> ;&nbsp;&nbsp;&nbsp; <span class="author-name" mtid="10029952"><a href="/gui2/?type=authors&mode=browse&sel=10029952" target="_blank">Orban Laszlo (<span class="authorship-author-name">Orbán László</span> <span class="authorAux-mtmt"> Halgenetika, genomika, haltenyésztés</span>) </a> </span> <span class="author-affil"><span title="Pannon Egyetem">PE</span>/<span title="Georgikon Kar">GK</span>/Állattudományi Tanszék</span> ;&nbsp;&nbsp;&nbsp; <span class="author-name" mtid="10034994"><a href="/gui2/?type=authors&mode=browse&sel=10034994" target="_blank">Havasi Mate (<span class="authorship-author-name">Havasi Máté</span> <span class="authorAux-mtmt"> akvakultúra, ornitológia, beporzás</span>) </a> </span> <span class="author-affil"><span title="Pannon Egyetem">PE</span>/<span title="Georgikon Kar">GK</span>/Állattudományi Tanszék</span> </div> </div> <div class="title"><a href="/gui2/?mode=browse&params=publication;31280339" target="_blank">New observations about the fertilisation capacity and latency time of sperm inseminated into the ovary of African catfish (Clarias gariepinus), an oviparous modelfish</a></div> <div> <span class="journal-title">AQUACULTURE</span> <span class="journal-issn">(<a target="_blank" href="https://portal.issn.org/resource/ISSN/0044-8486">0044-8486</a> <a target="_blank" href="https://portal.issn.org/resource/ISSN/1873-5622">1873-5622</a>)</span>: <span class="journal-volume">522</span> <span class="page"> Paper 735109. 8 p. </span> <span class="year">(2020)</span> </div> <div class="pub-footer"> <span class="language" xmlns="http://www.w3.org/1999/html">Nyelv: Angol | </span> <span class="identifiers"> <span class="id identifier oa_GOLD" title=" Gold "> <a style="color:blue" title="10.1016/j.aquaculture.2020.735109" target="_blank" href="https://doi.org/10.1016/j.aquaculture.2020.735109"> DOI </a> </span> <span class="id identifier oa_GREEN" title=" Green "> <a style="color:blue" title="19935" target="_blank" href="https://tudasportal.uni-nke.hu/xmlui/handle/20.500.12944/19935"> NKE Közszolgálati Tudásportál </a> </span> <span class="id identifier oa_none" title="none"> <a style="color:blue" title="000522956800041" target="_blank" href="https://www.webofscience.com/wos/woscc/full-record/000522956800041"> WoS </a> </span> <span class="id identifier oa_none" title="none"> <a style="color:blue" title="85079692098" target="_blank" href="http://www.scopus.com/record/display.url?origin=inward&eid=2-s2.0-85079692098"> Scopus </a> </span> </span> <OnlyViewableByAuthor><div class="ratings"> <div class="journal-subject">Folyóirat szakterülete: Scopus - Aquatic Science&nbsp;&nbsp;&nbsp;SJR indikátor:&nbsp;Q1</div> </div></OnlyViewableByAuthor> <div class="publication-citation" style="margin-left: 0.5cm;"> <span title="Nyilvános idézőközlemények összesen, említések nélkül" class="citingPub-count">Nyilvános idéző összesen: 32</span> | Független: 20 | Függő: 12 | Nem jelölt: 0 | WoS jelölt: 16 | Scopus jelölt:&nbsp;21 | WoS/Scopus jelölt:&nbsp;22 | DOI jelölt:&nbsp;25 </div> <div class="publication-citation"> <a target="_blank" href="/api/publication?cond=citations.related;eq;31280339&sort=publishedYear,desc&sort=title"> Idézett közlemények száma: 7 </a> </div> <div class="mtid"><span class="long-pub-mtid">Közlemény: 31280339</span> | <span class="status-data status-VALIDATED"> Egyeztetett </span> Forrás Idéző | <span class="type-subtype">Folyóiratcikk ( Szakcikk ) </span> | <span class="pub-category">Tudományos</span> | <span class="publication-sourceOfData">WOS TAGGED</span> </div> <div class="funder"> GINOP(2.3.2-15-2016-00025) Támogató: NKTH, Innovatív tudományos műhelyek a hazai agrár felsőoktatásban(EFOP-3.6.3-VEKOP-16-2017-00008) Támogató: EFOP-VEKOP, Felsőoktatási Intézményi Kiválósági Program (2019)(TUDFO/47138/2019-ITM) Támogató: ITM </div> <div class="lastModified">Utolsó módosítás: 2023.02.14. 14:07 Mácsik Petra (NKE VTK admin 5) </div> <div class="lockedBy">Központi kezelésű 2024.10.17. 18:03 Ladányi Gusztáv (MTMT API user, admin) Lévayné Deseő Katalin (MTMT Központi admin) </div> <pre class="comment" style="margin-top: 0; margin-bottom: 0;"><u>Megjegyzés</u>: Department of Aquaculture, Faculty of Agricultural and Environmental Sciences, Szent István University, Gödöllő, 2100, Hungary National University of Public Service, Faculty of Water Sciences, Bajcsy-Zsilinszky utca 12-14., Baja, 6500, Hungary MTA Centre for Ecological Research, Danube Research Institute, Budapest, 1113, Hungary ...</pre> </div></div>