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Título : | Effect of FSH and eCG on Alpaca (Vicugna pacos) Oocyte Maturation in vitro |
Autor : | Quispe Gutiérrez, US Olivera Marocho, LV Ccopa Ccallata, J Pahuara Farfan, LE Barragán Condori, M Berndtson, JL |
Palabras clave : | Camelid;Equine chorionic gonadotropin;Follicle stimulating hormone;Metaphase |
Fecha de publicación : | 15-jul-2021 |
Editorial : | Unique Scientific Publishers |
Citación : | Quispe-Gutiérrez US, Olivera-Marocho LV, Ccopa-Ccallata J, Pahuara-Farfan LE, BarragánCondori M and Berndtson JL, 2021. Effect of FSH and eCG on alpaca (Vicugna pacos) oocyte maturation in vitro. International Journal of Veterinary Science 10(3): 156-161. https://doi.org/10.47278/journal.ijvs/2021.050. |
Resumen : | This study evaluated alpaca oocytes that developed to metaphase II (MII), using different concentrations of follicle stimulating hormone (FSH) with and without equine chorionic gonadotropin (eCG) during in vitro maturation. Oocytes were obtained from ovaries of slaughtered alpacas. Oocytes were matured in vitro for 36h in TCM-99 and supplemented in groups with different doses of FSH: 0.5, 0.25, 0μg.mL-1 and eCG: 15, 5, 0IU.mL-1. Oocytes were stained with 2% lacmoid, and examined for their nuclear status. The parameter for comparisons between groups was the percentage of oocytes in MII. There was an interaction between FSH and eCG (P<0.05). A higher percentage of oocytes in MII were obtained when using 0.5µg.mL-1 of FSH with any concentration of 15, 5 or 0IU.mL-1 of eCG [58.4±1.94% (n=78); 59.5±1.94% (n=85); 54.3±0.56% (n=81); P<0.05]. A similar percentage was also found using 0.25µg.mL-1 of FSH plus 15IU.mL-1 of eCG [52.3±1.66% (n=86); P>0.05] followed by 0.25µg.mL-1 of FSH with 5 or 0IU.mL-1 of eCG [47.3±1.94% (n=82); 45.3±1.94% (n=86); P<0.05]. The lowest maturation percentages were found using any concentration of eCG without FSH [8.2±0.73% (n=84); 8.0±0.66% (n=74); 11.4±1.23% (n=71); P<0.05]. In conclusion, the addition of eCG to the maturation medium would reduce the amount of FSH required in the in vitro maturation of alpaca oocytes. |
URI : | https://repositorio.uniq.edu.pe/handle/UNIQ/38 |
Autor : | Quispe Gutiérrez, US Olivera Marocho, LV Ccopa Ccallata, J Pahuara Farfan, LE Barragán Condori, M Berndtson, JL |
Fecha de publicación : | 2021-07-15 |
Idioma: | eng |
Tipo de publicación: | info:eu-repo/semantics/article |
Campo del conocimiento OCDE: | https://purl.org/pe-repo/ocde/ford#4.03.01 |
País de publicación: | PK |
Aparece en las colecciones: | Artículos de revistas externas |
Ficheros en este ítem:
Fichero | Descripción | Tamaño | Formato | |
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2305-4360-ijvets-10-3-156-(Resumen).pdf | Resumen | 130,31 kB | Adobe PDF | Visualizar/Abrir |
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