Search Results - "Asturiano, J. F"

Effects of cold seawater pre-treatments on induction of early sexual maturation and sperm production in European eel (Anguilla anguilla) by Ferrão, L., Morini, M., González-Lopéz, W. A., Gallego, V., Felip, A., Pérez, L., Asturiano, J. F.

“…To induce sexual maturation in captivity, eels rely on hormonal treatments, but this process is costly and time-consuming. As an alternative, different types…”
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Relationship between spermatozoa motility parameters, sperm/egg ratio, and fertilization and hatching rates in pufferfish (Takifugu niphobles) by Gallego, V., Pérez, L., Asturiano, J.F., Yoshida, M.

“…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…”
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Ex vivo exposure to titanium dioxide and silver nanoparticles mildly affect sperm of gilthead seabream (Sparus aurata) - A multiparameter spermiotoxicity approach by Carvalhais, A., Oliveira, I.B., Oliveira, H., Oliveira, C.C.V., Ferrão, L., Cabrita, E., Asturiano, J.F., Guilherme, S., Pacheco, M., Mieiro, C.L.

“…Nanoparticles (NP) are potentially reprotoxic, which may compromise the success of populations. However, the reprotoxicity of NP is still scarcely addressed in…”
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First Production of Larvae Using Cryopreserved Sperm: Effects of Preservation Temperature and Cryopreservation on European Eel Sperm Fertilization Capacity by Asturiano, JF, Sørensen, SR, Pérez, L, Lauesen, P, Tomkiewicz, J

“…Contents Sperm cryopreservation is a useful tool in captive fish reproduction management, that is to synchronize gamete production, especially in the case of…”
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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 by Gallego, V., Pérez, L., Asturiano, J.F., Yoshida, M.

“…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…”
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European Eel Sperm Diluent for Short-term Storage by Peñaranda, DS, Pérez, L, Gallego, V, Barrera, R, Jover, M, Asturiano, JF

“…The sperm of European eel shows a high density and the time of spermatozoa motility is very short after activation with sea water. These characteristics make…”
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Sperm motility in fish: technical applications and perspectives through CASA-Mot systems by Gallego, V, Asturiano, J F

“…Although a relatively high number of sperm quality biomarkers have been reported over the years in several fish species, sperm motility is nowadays considered…”
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Subpopulation pattern of eel spermatozoa is affected by post-activation time, hormonal treatment and the thermal regimen by Gallego, V, Vílchez, M C, Peñaranda, D S, Pérez, L, Herráez, M P, Asturiano, J F, Martínez-Pastor, F

“…There has been a marked reduction in natural stocks of eels (genus Anguilla) over the past 60 years, and the culture of eels is still based on the capture of…”
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Temperature modulates the progression of vitellogenesis in the European eel by Mazzeo, I., Peñaranda, D.S., Gallego, V., Baloche, S., Nourizadeh-Lillabadi, R., Tveiten, H., Dufour, S., Asturiano, J.F., Weltzien, F.-A., Pérez, L.

“…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…”
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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 by Gallego, V., Mazzeo, I., Vílchez, M.C., Peñaranda, D.S., Carneiro, P.C.F., Pérez, L., Asturiano, J.F.

“…Since 1960, the European eel (Anguilla anguilla) has suffered a dramatic reduction in natural stocks. Breeding in captivity is considered an alternative, but…”
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Exploring correlations between sex steroids and fatty acids and their potential roles in the induced maturation of the male European eel by Baeza, R., Peñaranda, D.S., Vílchez, M.C., Tveiten, H., Pérez, L., Asturiano, J.F.

“…The present study was undertaken to evaluate the correlations between the fatty acids in the liver and testis and the plasma levels of the hormonal steroids…”
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Effect of thermal regime on fatty acid dynamics in male European eels (Anguilla anguilla) during hormonally-induced spermatogenesis by Baeza, R., Mazzeo, I., Vílchez, M.C., Gallego, V., Peñaranda, D.S., Pérez, L., Asturiano, J.F.

“…Little is known about the role of fat and fatty acids in European eel spermatogenesis. The aim of this research was to study the changes in fat content and to…”
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Evaluation of Methods to Determine Sperm Density for the European eel, Anguilla anguilla by Sørensen, SR, Gallego, V, Pérez, L, Butts, IAE, Tomkiewicz, J, Asturiano, JF

“…Contents European eel, Anguilla anguilla, is a target species for future captive breeding, yet best methodology to estimate sperm density for application in in…”
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Regulation of Aromatase and Androgen Receptor Expression During Gonad Development in Male and Female European Eel by Peñaranda, DS, Mazzeo, I, Gallego, V, Hildahl, J, Nourizadeh‐Lillabadi, R, Pérez, L, Weltzien, F‐A, Asturiano, JF

“…This research investigated the regulation of aromatase and androgen receptor gene expression in the brain–pituitary–gonad (BPG) axis of male and female…”
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Reproductive performance in male European sea bass ( Dicentrarchus labrax, L.) fed two PUFA-enriched experimental diets: a comparison with males fed a wet diet by Asturiano, J.F., Sorbera, L.A., Carrillo, M., Zanuy, S., Ramos, J., Navarro, J.C., Bromage, N.

“…Reproductive performance of male European sea bass ( Dicentrarchus labrax) fed a wet diet (WD) was compared to that of fish fed two commercial pelleted diet…”
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Larval width as indicator of growth rate and effect of larval classification on final body composition and flesh quality in cultured gilthead seabream (Sparus aurata, L.) by Mazzeo, I, Borrell, Y. J, Gallego, V, García Fernández, C, Sánchez, J. A, Blanco, G, Pérez, L, Asturiano, J. F

“…The objective of this study was evaluating the effects on the growth rate and flesh quality of separating larvae according to their larval width in cultured…”
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Effect of Sperm Cryopreservation on the European Eel Sperm Viability and Spermatozoa Morphology by Asturiano, JF, Marco-Jiménez, F, Peñaranda, DS, Garzón, DL, Pérez, L, Vicente, JS, Jover, M

“…The main objective of the present work was to study the effect of cryopreservation of European eel sperm both on the sperm viability and the spermatozoa head…”
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Superoxidase dismutases (SODs) in the European eel: Gene characterization, expression response to temperature combined with hormonal maturation and possible migratory implications by Ferrão, L., Blanes-García, M., Pérez, L., Asturiano, J.F., Morini, M.

“…Superoxide dismutases (SODs) are antioxidant enzymes that protect cells from oxidation. Three SODs have been identified in mammals, but there is limited…”
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Evaluation of different diluents for short-term storage of European eel sperm under air-limited conditions by Peñaranda, D.S, Marco-Jiménez, F, Pérez, L, Gallego, V, Mazzeo, I, Vicente, J.S, Jover, M, Asturiano, J.F

“…In order to study different storage conditions, dilution ratios and additives for fresh European eel sperm were assayed to determinate the optimum conditions…”
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Effects of Polyunsaturated Fatty Acids and Prostaglandins on Oocyte Maturation in a Marine Teleost, the European Sea Bass (Dicentrarchus labrax) by SORBERA, Lisa Ann, ASTURIANO, Juan Francisco, CARRILLO, Manuel, ZANUY, Silvia

“…The effects of the polyunsaturated fatty acids (PUFAs), arachidonic acid (AA), eicosapentaenoic acid (EPA), docosahexaenoic acid (DHA), and prostaglandins…”
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