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Article

Autor: Ruiz, Jaime Landeo, Leandra Mendoza, Jose Correa, Jorge Silva Jiménez, Mauricio Ratto, Marcelo H.

The study was designed to compare the cleavage and blastocysts rate of in vitro matured alpaca and llama oocytes after chemical activation. Alpaca (n=90) and llama (n=85) ovaries were collected at a local slaughterhouse and transported within 2-3 h to the laboratory. Cumulus oocyte complexes (COC...

Enlace original: http://repositoriodigital.uct.cl/handle/10925/3686

Repositorio Digital Universidad Católica de Temuco
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Ruiz, Jaime ,  Landeo, Leandra ,  Mendoza, Jose ,  Correa, Jorge ,  Silva Jiménez, Mauricio ,  Ratto, Marcelo H. ,  [In vitro developmental competence of alpaca (Vicugna pacos) and llama (Lama glama) oocytes after parthenogenetic activation] ,  In vitro developmental competence of alpaca (Vicugna pacos) and llama (Lama glama) oocytes after parthenogenetic activation
Article

Autor: Ruiz, Jaime Santayana, R. Paulo Mendoza, M. Jose Landeo, J. Leandra Huaman, Elizabeth Ticllacuri, Flamel Mujica, L. Fidel Silva Jiménez, Mauricio Ratto, Marcelo H.

We evaluated the effect of in vitro maturation time, sperm selection and oxygen tension on alpaca embryo development. In Experiment I, Cumulus Oocyte-Complexes (COCs) were obtained from abattoir ovaries and in vitro matured in TCM-199 for 24 (n = 217), 28 (215), or 32 h (223) at 38.5 degrees C, h...

Enlace original: http://repositoriodigital.uct.cl/handle/10925/3763

Repositorio Digital Universidad Católica de Temuco
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Ruiz, Jaime ,  Santayana, R. Paulo ,  Mendoza, M. Jose ,  Landeo, J. Leandra ,  Huaman, Elizabeth ,  Ticllacuri, Flamel ,  Mujica, L. Fidel ,  Silva Jiménez, Mauricio ,  Ratto, Marcelo H. ,  [Effect of oocyte maturation time, sperm selection method and oxygen tension on in vitro embryo development in alpacas] ,  Effect of oocyte maturation time, sperm selection method and oxygen tension on in vitro embryo development in alpacas
Article

Autor: Silva Jiménez, Mauricio Paiva, Luis Ratto, Marcelo H.

The ovulation-inducing effect of seminal plasma was first suggested in Bactrian camels over 30 years ago, initiating a long search to identify the 'ovulation-inducing factor' (OIF) present in camelids semen. During the last decade, primarily in llamas and alpacas, this molecule has been intensive...

Enlace original: http://repositoriodigital.uct.cl/handle/10925/3303

Repositorio Digital Universidad Católica de Temuco
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Silva Jiménez, Mauricio ,  Paiva, Luis ,  Ratto, Marcelo H. ,  [Ovulation mechanism in South American Camelids: The active role of beta-NGF as the chemical signal eliciting ovulation in llamas and alpacas] ,  Ovulation mechanism in South American Camelids: The active role of beta-NGF as the chemical signal eliciting ovulation in llamas and alpacas
Article

Autor: Ratto, Marcelo Cervantes, Miriam Norambuena Ardiles, María Silva Jiménez, Mauricio Miragaya, Marcelo Huanca, Wilfredo

This study was designed to determine the effect of location of the preovulatory dominant follicle and stage of ovarian follicle development on ovulation rate and embryo survival in alpacas. In Experiment 1, mature lactating alpacas were randomly assigned to one of two groups according to the loca...

Enlace original: http://repositoriodigital.uct.cl/handle/10925/3755

Repositorio Digital Universidad Católica de Temuco
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Ratto, Marcelo ,  Cervantes, Miriam ,  Norambuena Ardiles, María ,  Silva Jiménez, Mauricio ,  Miragaya, Marcelo ,  Huanca, Wilfredo ,  [Effect of location and stage of development of dominant follicle on ovulation and embryo survival rate in alpacas] ,  Effect of location and stage of development of dominant follicle on ovulation and embryo survival rate in alpacas

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