autores 

Autores

Mostrando ítems 1-10 de 10

    • A simple method to select high superovulatory responder goats 

      Bruno Galarraga, María Macarena; Fernandez, Jimena; Lacau Megido, Isabel María; Gonzalez-Bulnes, Antonio; Gibbons, Alejandro Eduardo; Cueto, Marcela Isabel (Elsevier, 2023-01)
      In most female mammals, a common drawback to multiple ovulation embryo transfer programs is the variability in the superovulatory response to the multidose pFSH treatment. The aim of the present study was to identify embryo ...

    • A successful vitrification technique for goat morulae conservation 

      Fernandez, Jimena; Bruno Galarraga, María Macarena; Lacau Megido, Isabel María; Cueto, Marcela Isabel; Gibbons, Alejandro Eduardo (Elsevier, 2022-04-01)
      The aim of this study was to evaluate the effect of different vitrification and warming processes on the in vitro embryo survival of caprine morulae, considering the day of recovery. A total of 136 morulae of Criolla-Neuquina ...

    • Addition of eCG to a 14 d prostaglandin treatment regimen in sheep FTAI programs 

      Cueto, Marcela Isabel; Bruno Galarraga, María Macarena; Fernandez, Jimena; Fierro, Sergio; Gibbons, Alejandro Eduardo (Elsevier, 2020-10)
      In the present study, there was evaluation of the alternative of adding eCG as part of a longinterval prostaglandin-F2α (PG) treatment on the reproductive efficiency of Merino sheep during the breeding season. A total of ...

    • Caracterización reproductiva del caprino Criollo Neuquino 

      Cueto, Marcela Isabel; Lanari, Maria Rosa; Silvestre, Paula; Bruno Galarraga, María Macarena; Fernandez, Jimena; Gibbons, Alejandro Eduardo (Asociación Latinoamericana de Producción Animal, 2021-08)
      La raza caprina CriolloNeuquina habita la provincia de Neuquén (Argentina) y constituye la forma de vida de 1 600 crianceros del norte neuquino, debido a su alta eficiencia reproductiva y potencial productivo. Tras varias ...

    • Effect of GnRH or hCG administration on Day 4 post insemination on reproductive performance in Merino sheep of North Patagonia 

      Fernandez, Jimena; Bruno Galarraga, Maria Macarena; Soto, Andrés Telésforo; De la Sota, Rodolfo Luzbel; Cueto, Marcela Isabel; Lacau Mengido, Isabel María; Gibbons, Alejandro Eduardo (Elsevier, 2018-12)
      Different therapeutic strategies have been used with the objective of improve luteal function to reduce embryonic losses. The objective of this work was to study the effect of the administration of GnRH or hCG at Day 4 ...

    • Hormonal therapeutic strategy on the induction of accessory corpora lutea in relation to follicle size and on the increase of progesterone in sheep 

      Fernandez, Jimena; Bruno Galarraga, Maria Macarena; Soto, Andrés; de la Sota, Rodolfo Luzbel; Cueto, Marcela Isabel; Lacau, Isabel Maria; Gibbons, Alejandro Eduardo (2018)
      We determined the effect of GnRH or hCG treatment on day 4 post-time artificial insemination (FTAI) onthe formation of accessory corpora lutea (acc-CL) and on the concentration of serum progesterone (P4)insheep. Multiparous ...

    • Manejo nutricional pre y post-destete en crias de cabras angora del norte de la patagonia 

      Villar, Maria Laura; Bruno Galarraga, María Macarena; Giovannini, Nicolas; Fernandez, Jimena; Cueto, Marcela Isabel; Villagra, Edgar Sebastian (Facultad de Ciencias Veterinarias, Universidad Nacional de La Pampa, 2021-12)
      En los hatos de cabras Angora en el norte de la región Patagónica, las crías suelen manifestar deficiencias nutricionales desde el nacimiento hasta el destete a los 90 días que se asocian a bajas tasas de señalada y destete, ...

    • Technical recommendations for artificial insemination in sheep 

      Gibbons, Alejandro Eduardo; Fernandez, Jimena; Bruno Galarraga, Maria Macarena; Spinelli, María Victoria; Cueto, Marcela Isabel (Colégio Brasileiro de Reprodução Animal, 2019-11)
      Artificial insemination (AI) was the first important biotechnology applied to improve the genetics of farm animals. It allows the rapid and massive diffusion of desirable characteristics of males with high productive ...

    • Tratamientos hormonales para incrementar la eficiencia reproductiva en los ovinos 

      Fernandez, Jimena; Bruno Galarraga, María Macarena; Cueto, Marcela Isabel; Lacau, Isabel María; Soto, Andrés; de la Sota, Rodolfo Luzbel; Gibbons, Alejandro Eduardo (Gerencia de Comunicación e Imagen Institucional, DNA SICC, INTA, 2016-07-20)
      La eficiencia reproductiva en el ovino puede verse afectada por las pérdidas ocurridas durante la gestación las cuales constituyen uno de los factores que influyen en los parámetros productivos de esta especie. Entre las ...

    • Vitrified embryo transfer in Merino sheep under extensive conditions 

      Gibbons, Alejandro Eduardo; Bruno Galarraga, Maria Macarena; Fernandez, Jimena; Gonzalez Bulnes, Antonio; Cueto, Marcela Isabel (Brazilian College of Animal Reproduction, 2019-06)
      The aim was to evaluate pregnancy success after transfer of embryos vitrified in micropipette tips in Merino sheep under extensive conditions. A second objective was to evaluate the influence of embryo stage in such pregnancy ...