Comparison of the Reproductive Methods Used for Alpine Goats with Previously Synchronized Estrus

Autor: Gustavo Arcos-Gómez, Iván Yánez-Ortiz, Antonio. Murillo-Ríos, Luis. Mena-Miño
Jazyk: Spanish; Castilian
Rok vydání: 2022
Předmět:
Zdroj: ESPOCH Congresses, Vol 2, Iss 1, Pp 14-25 (2022)
Druh dokumentu: article
ISSN: 2789-5009
DOI: 10.18502/espoch.v2i2.11180
Popis: Abstract The objective of this study was to compare the two methods of reproduction used for the Alpine goats at a sheepfold located in the province of Pichincha. A hormonal protocol was followed for heat synchronization based on intravaginal sponges impregnated with fluorogestone acetate (FGA) combined with prostaglandin F2α (PGF2α) and equine chorionic gonadotropin (eCG). In total, 24 two-to-four-year-old does were randomly divided into two groups: one for natural breeding (NB) with a five-year-old male goat of proven fertility and another for intracervical artificial insemination (IC-AI) with refrigerated semen collected from the same goat. The parameters evaluated were: the conception rate (CT), the fertility rate (FR), and the prolificacy index (PI). The CT and FR were compared using Pearson's Chi-square test, while PI was analyzed with the student's t-test. None of the reproductive parameters evaluated showed a significant difference between the two methods of reproduction. Therefore, MN or IC-AI in goats with previously synchronized heat could be an alternative to improve reproductive efficiency.
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