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Comparison of characterization of fighting rooster (gallus gallus) semen ejaculates recovered by electroejaculation and dorsal massage techniques
ArticleAbstract: Implementing alternatives methods to dorsal massage (e.g., electroejaculation) for recovering semenPalabras claves:Dorsal massage, Electroejaculation, Kinetic sperm, Rooster spermatozoaAutores:Andrés Moscoso Piedra, Bolívar Cabrera, D. A. Galarza, Daniel G. Argudo, JORGE XAVIER SAMANIEGO CAMPOVERDE, Juan Carlos Alvarado Alvarado, Manuel Maldonado, Marco MuñozFuentes:scopusCompetence of the bovine oocyte obtained by ovum pick-up as evaluated by the bright cresyl blue test
ArticleAbstract: The objective of the present study was to evaluate the bright blue cresyl (BCB) test as an indirectPalabras claves:BCB, Bovine COC, G6PDH, Oocyte morphologyAutores:Daniel G. Argudo, G. Fernando Perea, JORGE XAVIER SAMANIEGO CAMPOVERDE, Luis E. Ayala, M. Juan Vázquez, O. Guido Calle, Pedro Nieto, Rodas Ramiro, S. Jorge Dután, Yury MurrilloFuentes:scopusCryopreservation of Fighting rooster spermatozoa: effect of different concentrations of glycerol
ArticleAbstract: Glycerol (Gly) is the cryoprotective agent (CPA) most widely used to cryopreserve rooster semen. HowPalabras claves:Fighting rooster, freezing, Glycerol, Lake-Ravie, SEMENAutores:Andrés Moscoso Piedra, D. A. Galarza, Daniel G. Argudo, Jaime Reinoso León, Jorge Samaniego, Juan Carlos Alvarado AlvaradoFuentes:scopusEffect of the addition of melatonin in the oocyte maturation and/or vitrification medium on in vitro production of bovine embryos
ArticleAbstract: The effect of the addition of melatonin (Mt) on the maturation and / or vitrification of bovine oocyPalabras claves:cleavage, embryos, In vitro maturation, melatonin, VitrificationAutores:Daniel G. Argudo, Fernando P. Perea, Luis R. Galarza, Manuel E. Soria, Maria Silvana A. MéndezFuentes:scopusMorphological and histological characteristics of ovaries from two genetic groups of guinea pigs (Cavia porcellus) from South America
ArticleAbstract: This study aimed to describe morphological and histological characteristics of ovaries of two genetiPalabras claves:Follicles, guinea pigs, oocytes, ovary morphologyAutores:Cornelio A. Rosales, Daniel G. Argudo, Fernández E.A., Fernando P. Perea, Garzón J.P.P., Jaime E. Maldonado, Luis E. Ayala, V. Guillermo GuevaraFuentes:scopusMorphometric and functional analysis of bovine oocytes obtained from abattoir ovaries and by transvaginal follicle aspiration in creole cows of the Ecuadorian Andean highland
ArticleAbstract: This study assessed the morphometric and functional characteristics of oocytes from 10 native cows tPalabras claves:BCB, Indigenous cows, morphometry, oocytes, ViabilityAutores:D. A. Galarza, Daniel G. Argudo, Fernando P. Perea, Jhonatan U. Alvarado, Manuel E. Soria, Maria Silvana A. Méndez, Patricio L. Bueno, Ulises G. IñiguezFuentes:scopusIntraovarian influence of bovine corpus luteum on oocyte morphometry and developmental competence, embryo production and cryotolerance
ArticleAbstract: Three experiments were conducted to determine influence of the bovine corpus luteum (CL) on morphomePalabras claves:bovine, corpus luteum, Developmental competence, Embryo, morphometry, OocyteAutores:Balvoa J.A., Daniel G. Argudo, Fernando P. Perea, Hernandez-Fonseca H.J., Luis E. Ayala, Luis R. Galarza, Manuel E. Soria, Maria Silvana A. Méndez, Merchán S.L., Perea M.S., Tenemaza M.A.Fuentes:scopusMethods of collection, extender type, and freezability of semen collected from creole bulls raised in the tropical highlands of Ecuador
ArticleAbstract: This study was conducted to determine the best combination between two collection method and two extPalabras claves:Andean highland, Artificial vagina, Creole bull, Cryopreservation, Electroejaculation, Soybean- and egg yolk- based extenderAutores:Carlos S. Torres, Carlos U. Iñiguez, D. A. Galarza, Daniel G. Argudo, Fernando P. Perea, Manuel E. Soria, Patricio Bueno, Patricio L. Bueno, Ricardo Alberio, Silvana MéndezFuentes:googlescopusSetting time of artificial insemination of superovulated lactating Holstein cows with sex-sorted sperm
ArticleAbstract: The embryo production results after use of sex-sorted sperm to inseminate superovulated cows (SOV) hPalabras claves:Cows, embryos, HOLSTEIN, Sex-sorted sperm, SuperovulationAutores:C. A. Soria, Daniel G. Argudo, J. C. Durán, Juan Pedro M. Alvarado, Ricardo Alberio, S. E. BravoFuentes:scopusThe time interval between ovarian stimulation with FSH/LH and ovum-pick up affects the quantity, quality and developmental competence of oocytes retrieved from Ecuadorian creole heifers
ArticleAbstract: The aim of this study was to evaluate the effects of gonadotropin treatment and the interval betweenPalabras claves:Brillant Cresyl Blue, COCs, Follicular aspiration, Ovarian stimulationAutores:Brugal M.P., Daniel G. Argudo, Ermes Rodas Carpio, G. Fernando Perea, JORGE XAVIER SAMANIEGO CAMPOVERDE, Luis Ayala Guanga, Pedro Nieto EscandónFuentes:scopus