García-Salinas, Pablo; Gallego Albiach, Victor; Asturiano, Juan F.(MDPI AG, 2021-07)
[EN] Many species of rays and skates are endangered, and ex situ conservation programs developed by research centers and public aquaria could improve this situation. To reproduce these species in captivity, scientists need ...
García-Salinas, Pablo; Gallego Albiach, Victor; Asturiano, Juan F.(MDPI AG, 2021-08)
[EN] Sperm extraction and artificial insemination may serve ex situ conservation initiatives for threatened sharks and related species. A comparison of the reproductive anatomy of eight chondrichthyans is presented in this ...
Pérez Igualada, Luz María; Vilchez Olivencia, Maria Carmen; Gallego Albiach, Victor; MORINI, MARINA; Peñaranda, D.S.; Asturiano Nemesio, Juan Francisco(Elsevier, 2016-01)
[EN] Sperm from European eel males treated with hCG(rec), was washed in a calcium free extender, and sperm motility was activated both in the presence (seawater, SW) and in the absence of calcium (NaCI + EDTA), and treated ...
Vilchez Olivencia, Maria Carmen; MORINI, MARINA; Peñaranda, D.S.; Gallego Albiach, Victor; Asturiano Nemesio, Juan Francisco; Pérez Igualada, Luz María(Elsevier, 2017)
[EN] The role of potassium from the seminal plasma and/or the activation media was examined by selectively removing from this media, and by testing the use of channel inhibitors and a K-ionophore. Sperm motility was measured ...
Baeza Ariño, Rosa(Universitat Politècnica de València, 2015-05-11)
[EN] During the last 25 years, eel populations have declined considerably, this species is considered outside safe biological limits. The life cycle of the eel is quite complex including transoceanic migration whose ...
Vilchez Olivencia, Maria Carmen; MORINI, MARINA; Peñaranda, D.S.; Gallego Albiach, Victor; Asturiano Nemesio, Juan Francisco; Pérez Igualada, Luz María(Elsevier, 2016-08)
[EN] The role of seminal plasma sodium and activation media sodium on sperm motility was examined by selectively removing the element from these two media, in European eel sperm. Sperm size (sperm head area) was also ...
Gallego Albiach, Victor; Asturiano Nemesio, Juan Francisco(CSIRO Publishing, 2018)
[EN] Although a relatively high number of sperm quality biomarkers have been reported over the years in several fish species, sperm motility is nowadays considered the best biomarker for fish spermatozoa. The first scientific ...
[EN] The biodiversity of marine ecosystems is diverse and a high number of species coexist side by side. However, despite the fact that most of these species share a common fertilization strategy, a high variability in ...
Gallego Albiach, Victor(Universitat Politècnica de València, 2013-12-20)
The conservation status of the species studied in this thesis
(European eel and pufferfish) is currently frail, thus the main goal of
this research was to develop, improve and apply several techniques
and protocols ...
Koumpiadis, Paraskevas; Sganga, Daniela E.; Politis, Sebastian N.; Gallego Albiach, Victor; Butts, Ian A.E.; Asturiano, Juan F.; Batjakas, Ioannis E.; Tomkiewicz, Jonna(Blackwell Publishing, 2021-12)
[EN] Aquaculture production relies on controlled management of gametogenesis, especially in species where assisted reproduction is needed for obtaining gametes in captivity. The present study used human chorionic gonadotropin ...
Padilla Sánchez, Malbelys(Universitat Politècnica de València, 2024-01-05)
[ES] La selección de gametos de alta calidad es un requisito indispensable a tener en cuenta en los programas de reproduccion asistida. El desarrollo de herramientas biotecnológicas como la criopreservación de gametos, ...
Blanes-García, M.; Risueño, P.; Pérez Igualada, Luz María; Asturiano, Juan F.; Gallego Albiach, Victor(Elsevier, 2021-01-15)
[EN] The sensitive state of conservation of several endemic fish species such as Iberian toothcarp (Aphanius iberus) and Valencia toothcarp (Valencia hispanica) has led governments to consider the implementation of ...
Gallego Albiach, Victor; Carneiro, P. C. F.; Mazzeo, Ilaria; Vilchez Olivencia, Maria Carmen; Peñaranda, D.S.; Soler, C.; Pérez Igualada, Luz María; Asturiano Nemesio, Juan Francisco(Elsevier, 2013-04-15)
[EN] The development of powerful computer-assisted sperm analysis software has made kinetic studies of spermatozoa possible. This system has been used and validated for several species, but some technical questions have ...
[EN] It is essential to define an optimized standard method to assess the fish sperm quality to minimize the differences between the results obtained by different laboratories. Only this optimization and standardization ...
Sánchez Peñaranda, David(Universitat Politècnica de València, 2008-09-12)
La anguila europea es una especie de gran importancia comercial en la acuicultura europea, pero el dramático descenso de las poblaciones naturales ha provocado la inclusión de esta especie en la lista CITES (convención del ...
[EN] The first goal of this study was the development of a short-term storage method for pufferfish (Takifugu niphobles) sperm. In this respect, the best results were obtained by diluting the sperm in a seminal-like solution ...
Gallego Albiach, Victor; Mazzeo, Ilaria; Vilchez Olivencia, Maria Carmen; Peñaranda, D.S.; Carneiro, P. C. F.; Pérez Igualada, Luz María; Asturiano Nemesio, Juan Francisco(Elsevier, 2012-07-02)
[EN] Since 1960, the European eel (Anguilla anguilla) has suffered a dramatic reduction in natural stocks. Breeding in captivity is considered an alternative, but obtaining high quality sperm seems basic on this regard. ...
Gallego Albiach, Victor; Herranz-Jusdado, Juan Germán; Rozenfeld, Christoffer; Pérez Igualada, Luz María; Asturiano Nemesio, Juan Francisco(Springer-Verlag, 2018)
[EN] Fish sperm motility is nowadays considered the best sperm quality biomarker in fish, and can be evaluated both by subjective and computerized
methods. With the aim to compare the precision and accuracy of both ...
Peñaranda, D.S.; MORINI, MARINA; Tveiten, Helge; Vilchez Olivencia, Maria Carmen; Gallego Albiach, Victor; Dirks, Ron; van den Thillart, Guido E.E.J.M.; Pérez Igualada, Luz María; Asturiano Nemesio, Juan Francisco(Elsevier, 2016-07)
[EN] This study evaluates the effects of temperature on hCG-induced spermatogenesis in European eel (Anguilla anguilla), subjected to three thermal regimes: T10: 10 degrees C (first 4 weeks), 15 degrees C (next 3 weeks) ...
[EN] Wild female European eels were matured with CPE (carp pituitary extract) under three thermal regimes, two of
which were variable (T10–15 and T15–18, moving from 10 to 15 °C and from 15 to 18 °C, respectively) and ...