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Mostrando ítems 1-11 de 11

Comparison of two techniques for the morphometry study on gilthead seabream (Sparus aurata) spermatozoa and evaluation of changes induced by cryopreservation

Gallego Albiach, Victor; Peñaranda, D.S.; Marco Jiménez, Francisco; Mazzeo, Ilaria; Pérez Igualada, Luz María; Asturiano Nemesio, Juan Francisco (Elsevier, 2012-04-01)

[EN] The development of powerful software has made possible spermatozoa morphology studies. However, some problems have emerged in relation to protocol standardization to compare results from different laboratories. This ...
Fish sperm motility assessment as a tool for aquaculture research, a historical approach

Gallego Albiach, Victor; Asturiano Nemesio, Juan Francisco (Blackwell Publishing, 2018)

[EN] Fish sperm motility is nowadays considered the best biomarker for the quality of fish spermatozoa, and sperm motion parameters from more than 300 fish species have been reported in more than 1500 scientific articles ...
Influencia del pH ambiental en la motilidad del esperma de la anguila europea (Anguilla anguilla)

Francés Herrero, Emilio (Universitat Politècnica de València, 2018-09-18)

[ES] A diferencia de lo que ocurre en mamíferos, los espermatozoides de la mayoría de los peces se encuentran inactivos en los testículos. Su activación se produce como consecuencia de un choque osmótico (hiper o ...
Morfología espermática y parámetros seminales básicos en varones normo y oligoastenoteratozoospérmicos

Gimeno Miquel, Isabel María (Universitat Politècnica de València, 2015-01-20)

[ES] La morfología del espermatozoide, según numerosos estudios, es uno de los factores más importante en la obtención de fecundación tanto en IIU como en FIV-ICSI. La OMS ha descrito distintos criterios de clasificación ...
Recombinant vs purified mammal gonadotropins as maturation hormonal treatments of European eel males

Herranz-Jusdado, Juan Germán; Rozenfeld, Christoffer; MORINI, MARINA; Pérez Igualada, Luz María; Asturiano Nemesio, Juan Francisco; Gallego Albiach, Victor (Elsevier, 2019)

[EN] In the past three decades the European eel Anguilla anguilla experienced up to 99% decline in recruitment in some parts of its distribution range, thus breeding in captivity is nowadays considered key in order to save ...
Relationship between spermatozoa motility parameters, sperm/egg ratio, and fertilization and hatching rates in pufferfish (Takifugu niphobles)

Gallego Albiach, Victor; Pérez Igualada, Luz María; Asturiano Nemesio, Juan Francisco; Yoshida, Manabu (Elsevier, 2013-12-05)

[EN] The use of high quality gametes from both males and females during in vitro fertilization (IVF) trials is an essential step in order to achieve high fertilization and hatching rates. Although aquaculture hatcheries ...
Role of potassium and pH on the initiation of sperm motility in the European eel

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 ...
Sodium affects the sperm motility in the European eel

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 ...
Sperm production and quality in European eel (Anguilla anguilla) in relation to hormonal treatment

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 ...
Study of pufferfish (Takifugu niphobles) sperm: development of methods for short-term storage, effects of different activation media and role of intracellular changes in Ca2+ and K+ in the initiation of sperm motility

Gallego Albiach, Victor; Pérez Igualada, Luz María; Asturiano Nemesio, Juan Francisco; Yoshida, Manabu (Elsevier, 2013-11-15)

[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 ...
Study of the effects of thermal regime and alternative hormonal treatments on the reproductive performance of European eel males (Anguilla anguilla) during induced sexual maturation

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. ...