Temas 

Temas

Mostrando ítems 1-6 de 6

    • 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 ...

    • 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 ...

    • Genetic progress and economic benefit of community-based breeding programs for sheep out- and upscaling options in Ethiopia 

      Mueller, Joaquin Pablo; Haile, Aynalem; Getachew, Tesfaye; Rekik, Mourad; Rischkowsky, Barbara (Elsevier, 2019-08)
      In this study, expected genetic progress and economic benefits from implementing three community-based breeding programs for sheep (CBBP) out- and upscaling strategies were investigated. Strategy 1 is to replicate average ...

    • 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 ...

    • 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 ...