J. Ruiz

Universidad Nacional de Huancavelica — PE

Medicine · Health Sciences

7h-index150citations24works0.02yr avg
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Research Topics

Sperm and Testicular Function(15), Reproductive Biology and Fertility(14), Reproductive Physiology in Livestock(4), Animal Genetics and Reproduction(4), Ovarian function and disorders(3)

Publications24 total

Efecto de la edad sobre el peso y rendimiento de la canal y masa muscular en cuyes (Cavia porcellus) en crecimiento y engorde
Journal of the Selva Andina Animal Science·2023Open Access
Oocyte Quality, In Vitro Fertilization and Embryo Development of Alpaca Oocytes Collected by Ultrasound-Guided Follicular Aspiration or from Slaughterhouse Ovaries
Animals·2022· 14 citedOpen Access
Comparison of two doses of eCG for obtaining embryos in llama
SPERMOVA·2021Open Access
66 Effect of the co-culture system and the culture medium on in vitro embryo development in alpacas (Vicugna pacos)
Reproduction Fertility and Development·2021· 1 cited
19 In vitro embryonic development from oocytes collected by ovum pickup of superstimulated females and nonstimulated slaughterhouse ovaries of alpaca (Vicugna pacos)
Reproduction Fertility and Development·2021
Neurochemical characterization of the hypothalamus of the early fetal and newborn alpaca <scp><i>Vicugna pacos</i></scp>
The Anatomical Record·2019· 2 cited
Spermatogonial stem cells identified by molecular expression of <i>PLZF, integrin β1</i> and reactivity to <i>Dolichos biflorus</i> agglutinin in alpaca adult testes
Andrologia·2019· 6 cited
Caracterización estructural del sistema de producción de alpacas (Vicugna pacos) en Huancavelica, Perú
Archivos de Zootecnia·2019· 4 citedOpen Access
Mapping of the Early Intrauterine Morphogenesis in the Alpaca (<i>Vicugna pacos</i>): External Features and Development of the Cephalic Vesicle in Comparison with the Progressive Carnegie Scale
The Anatomical Record·2018· 4 cited
99 In Vitro Development of Alpaca Embryos Obtained by Bisection
Reproduction Fertility and Development·2017
Effect of oocyte maturation time, sperm selection method and oxygen tension on in vitro embryo development in alpacas
Theriogenology·2017· 18 cited
158 FIRST LLAMA BORN BY IN VITRO FERTILIZATION
Reproduction Fertility and Development·2016· 8 cited
Estado de la produccion de embriones in vitro en camélidos sudamericanos
SPERMOVA·2015Open Access
In vitro developmental competence of alpaca (Vicugna pacos) and llama (Lama glama) oocytes after parthenogenetic activation
Small Ruminant Research·2015· 4 cited
256 EFFECT OF SPERM SELECTION ON THE RATE OF IN VITRO FERTILIZATION IN ALPACA (VICUGNA PACOS)
Reproduction Fertility and Development·2014
Vitrification of in vitro mature alpaca oocyte: Effect of ethylene glycol concentration and time of exposure in the equilibration and vitrification solutions
Animal Reproduction Science·2013· 9 cited
Testicular cytology of alpaca: Comparison between impressed and smeared slides
Animal Reproduction Science·2011· 18 cited
In vitro fertilization and development of cumulus oocytes complexes collected by ultrasound-guided follicle aspiration in superstimulated llamas
Theriogenology·2011· 22 citedOpen Access
Vitrificación de ovocitos bovinos y su uso en el desarrollo partenogenético de embriones
Archivos de medicina veterinaria·2010· 5 citedOpen Access
Vitrificación de ovocitos bovinos y su uso en el desarrollo partenogenético de embriones Vitrification of bovine oocytes and its use in the parthenogenetic development of embryos
2010· 1 cited
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Frequent Co-authors

L. Landeo(7), Marcelo Ratto(6), Mauricio Silva(3), C. Stelletta(3), Michele Zuñiga(3), T. R. Gastelu(3), M. Artica(3), J.H. Mendoza(3), Marco Berland(2), A. von Baer(2), Vı́ctor H. Parraguez(2), Patricio Morales(2), Gregory P. Adams(2), J. E. Correa(2), Ruben Molina(2), JE Correa(2), Stefano Montelli(2), Antonella Peruffo(2), E. Lucena(1), Carolina Lucena(1)