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Listar por autor "Viudes de Castro, María Pilar"

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A single injection of corifollitropin alfa supplemented with human chorionic gonadotropin increases follicular recruitment and transferable embryos in the rabbit

Viudes-de-Castro, Maria Pilar; Marco-Jiménez, Francisco; Más-Pellicer, Alba; Garcia-Dominguez, X; Talaván, Amparo M.; Vicente Antón, José Salvador (Blackwell Publishing, 2019-04)

[EN] Contents Superovulation protocols are designed to achieve maximum embryo yields. Nevertheless, ovarian response control and the quality of obtained embryos are still a challenge. On the other hand, to save the ...
Aminopeptidase activity in seminal plasma and effect of dilution rate on rabbit reproductive performance after insemination with an extender supplemented with buserelin acetate

Viudes De Castro, María Pilar; Mocé Cervera, Eva Teresa; Lavara García, Raquel; Marco Jiménez, Francisco; Vicente Antón, José Salvador (Elsevier, 2014-06)

[EN] Ovulation induction in artificially inseminated rabbits by adding GnRH synthetic analogues in the seminal doses is a welfare-orientated method to induce ovulation in rabbits and could have some advantages in field ...
Antibacterial Activity of Some Molecules Added to Rabbit Semen Extender as Alternative to Antibiotics

Viudes-de-Castro, María Pilar; Marco-Jiménez, Francisco; Vicente Antón, José Salvador; Marin, Clara (MDPI AG, 2021-04)

[EN] This study was conducted to evaluate the antibacterial activity of two aminopeptidase inhibitors and chitosan-based nanoparticles in liquid-stored rabbit semen. This study reports that the aminopeptidase inhibitors ...
CARACTERIZACIÓN GENÉTICA PRELIMINAR Y PRUEBAS DE PARENTESCO EN LA RAZA OVINA GUIRRA

Andreu Plaza, María Pilar (Universitat Politècnica de València, 2011-10-20)

Se han analizado 21 animales pertenecientes a la raza ovina Guirra mediante 15 marcadores microsatélites (ISAG, 2002) con objeto de caracterizar esta raza autóctona de la Comunidad Valenciana. Se ha establecido una batería ...
Detrimental effect on availability of buserelin acetate administered in seminal doses in rabbits

Vicente Antón, José Salvador; Lavara García, Raquel; Marco Jiménez, Francisco; Viudes De Castro, María Pilar (Elsevier, 2011-10-01)

[EN] The study evaluated a seminal effect on the ability to induce ovulation of a synthetic GnRH analogue, buserelin acetate, administered by vaginal mucosa in rabbit does. In a first experiment, 751 receptive nulliparous ...
Development of new artificial insemination extenders supplemented with GnRH analogues to induce ovulation and proteomic characterization of rabbit semen

Casares Crespo, Lucía (Universitat Politècnica de València, 2020-03-15)

Los objetivos generales de esta tesis fueron desarrollar nuevos diluyentes de inseminación artificial (IA) suplementados con un análogo de GnRH y caracterizar el proteoma del semen de conejo. En el capítulo I, se evaluó ...
Direct Comparison of the Effects of Slow Freezing and Vitrification on Late Blastocyst Gene Expression, Development, Implantation and Offspring of Rabbit Morulae

Saenz de Juano Ribes, María de los Desamparados; Marco Jiménez, Francisco; Viudes De Castro, María Pilar; Lavara García, Raquel; Vicente Antón, José Salvador (Wiley, 2014-06)

This study aimed to assess the effect of different cryopreservation procedures (slow freezing vs vitrification) on the gene expression in pre-implantation embryos and its implication in post-implantation embryo losses in ...
Does the inclusion of protease inhibitors in the insemination extender affect rabbit reproductive performance?

Casares-Crespo, Lucía; Vicente Antón, José Salvador; Talavan, A.M.; Viudes De Castro, María Pilar (Elsevier, 2016)

[EN] The bioavailability of buserelin acetate when added to the seminal dose appears to be determined by the activity of the existing aminopeptidases. Thus, the addition of amino peptidase inhibitors to rabbit semen extenders ...
EFECTO DE LA APLICACIÓN DE GONADOTROPINAS RECOMBINANTES HUMANAS SOBRE LA PRODUCCIÓN Y CALIDAD DE OVOCITOS Y EMBRIONES EN CONEJA

Cortell Nicolau, Carmela (Universitat Politècnica de València, 2013-01-29)

El objetivo de la presente tesis ha sido evaluar la utilización de las gonadotropinas recombinantes humanas (rhFSH y rhLH)) sobre la respuesta superovulatoria en conejas, estudiando el efecto de la utilización de las ...
Efecto de la presencia de antioxidantes en el diluyente de refrigeración sobre la calidad seminal y la oxidación lipídica del plasma seminal en conejo

Lopez Mendoza, Yolvi (Universitat Politècnica de València, 2017-10-25)

Storage of rabbit semen for longer than 36 h causes deterioration of semen quality. Therefore, the aim of this study was to evaluate the addition of antioxidants, membrane protective and/or aminopeptidase activity substances ...
Efecto de la presencia de Ficoll-70 o dextrano-70 en el medio de congelación de semen de conejo en su calidad y capacidad fecundante

Gianfrancesco, Pamela Sol Gema (Universitat Politècnica de València, 2022-10-20)

[ES] La elección de los componentes de los medios de congelación, entre ellos los crioprotectores, influye decisivamente en la supervivencia y funcionalidad de los espermatozoides. Los principales crioprotectores utilizados ...
Efecto de los polisacáridos ficoll y dextrano en el medio de congelación sobre la viabilidad y fecundidad del semen de conejo

Marín Puchades, Pedro (Universitat Politècnica de València, 2016-09-02)

[ES] El desarrollo de los métodos de congelación de semen en el conejo se inició en los años 60, quedando tempranamente descartado el glicerol, habitual en otras especies, como crioprotector. Actualmente, los medios ...
Effect of corifollitropin alfa supplemented with or without LH on ovarian stimulation and embryo viability in rabbit

Viudes De Castro, María Pilar; Marco-Jiménez, Francisco; Cedano-Castro, José Isaí; Vicente Antón, José Salvador (Elsevier, 2017)

[EN] There is increasing interest in using rabbits for research as a laboratory model as well as for industrial production of meat, wool and fur. Superovulation in animals is used to produce a maximum number of transferable ...
Effect of embryo vitrification on the steroid biosynthesis of liver tissue in rabbit offspring

Marco-Jiménez, Francisco; Garcia-Dominguez, X; Domínguez-Martínez, Marta; Viudes-de-Castro, María Pilar; Diretto, Gianfranco; Peñaranda, D.S.; Vicente Antón, José Salvador (MDPI AG, 2020-11)

[EN] Preimplantation embryo manipulations during standard assisted reproductive technologies (ART) have significant repercussions on offspring. However, few studies to date have investigated the potential long-term outcomes ...
Effect of freezing extender composition and male line on semen traits and reproductive performance in rabbits

Viudes De Castro, María Pilar; Lavara García, Raquel; Safaa, Hosam Mohamed Ali Ahmed; Marco Jiménez, Francisco; MEHAISEN, GAMAL MOHAMED KAMEL OSMAN; Vicente Antón, José Salvador (Cambridge University Press (CUP): STM Journals, 2014-05)

[EN] This study was conducted to elucidate the effect of different freezing extenders on two lines selected for hyperprolificacy and longevity (H and LP, respectively). In extender A, dimethyl sulphoxide (Me2SO) and sucrose ...
Effect of lanosterol on the in vitro maturation in semi-defined culture system of prepubertal ewe oocytes

Marco Jiménez, Francisco; Vicente Antón, José Salvador; Viudes De Castro, María Pilar (Cambridge University Press (CUP), 2014-02)

[EN] The choice of medium and supplements can affect meiotic regulation and may have an impact on the regulation of mammalian oocyte growth and embryonic cell function. The aim of the present study was to assess the effects ...
Effect of luteinizing hormone on rabbit ovarian superstimulation and embryo developmental potential

Viudes De Castro, María Pilar; Herreros Pomares, Alejandro; Saenz de Juano Ribes, María de los Desamparados; Marco Jiménez, Francisco; Vicente Antón, José Salvador (Elsevier, 2015-08)

[EN] Assisted reproduction technologies require ovarian stimulation to increase the number of oocytes and embryos. Currently, superstimulation is achieved by gonadotropin treatment, but the embryo yield and quality are ...
Effect of male on the aminopeptidase activity in rabbit seminal plasma

Monserrat Martínez, Ana (Universitat Politècnica de València, 2014-09-25)

[EN] Since ovulation in rabbit is induced by sensory stimulation associated with mating, an effective control of ovulation is required in the artificial insemination process. The intramuscular application of GnRH analogues ...
Evaluation by re-derivation of a paternal line after 18 generations on seminal traits, proteome and fertility

Juárez, J. D.; Marco-Jiménez, Francisco; Talaván, A. M.; García-Domínguez, X.; Viudes-de-Castro, M. P.; Lavara, R.; Vicente Antón, José Salvador (Elsevier, 2020-02)

[EN] Males from a paternal line selected for growth traits were used to produce semen doses at insemination centres and farms in a breeding scheme for rabbit meat production. The aim of this study was to assess whether a ...
Evaluation of dextran for rabbit sperm cryopreservation: Effect on frozen-thawed rabbit sperm quality variables and reproductive performance

Viudes-de-Castro, Maria P.; Talaván, Amparo G.; Vicente Antón, José Salvador (Elsevier, 2021-03)

[EN] Effects were analysed of dextran supplementation to Me2SO and acetamide rabbit semen freezing extenders on quality characteristics of rabbit spermatozoa and reproductive performance. The final concentration of ...