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Abanico veterinario
versión On-line ISSN 2448-6132versión impresa ISSN 2007-428X
Resumen
CADENA-VILLEGAS, Said et al. Reproductive response of Saanen x Alpina goats to the application of a metabolic reconstituent during estrus synchronization. Abanico vet [online]. 2022, vol.12, e2021-56. Epub 23-Jun-2023. ISSN 2448-6132. https://doi.org/10.21929/abavet2022.13.
The action of a metabolic treatment was evaluated in response to estrus synchronization in Saanen x Alpina goats. Thirty-six multiparous goats were used and randomly assigned to one of three treatments: T1 (n= 12): CIDR+eCG with metabolic restorative (MR); T2 (n= 12): CIDR+eCG with isotonic solution (ISO); T3 (n= 12): CIDR+eCG (CONTROL). Data were tested to come from a normally distributed population. Response to estrus (RE), the onset of estrus (OE), return to estrus (RET), gestation (GEST), calving (PAR), and fertility (FER) were analyzed using the non-parametric Kruskal-Wallis test; estrus duration (ED), fecundity (FEC) and prolificacy (PROL) through an analysis of variance and Tukey's test (α= 0.05) to compare means between treatments. MR treatment reduced (p <0.05) OE (T1: 20.78 h, T2: 32.54 h, T3: 33.68 h), increased FEC (T1: 1.42, T2: 0.92, T3: 0.92), and increased PROL (T1: 2.1, T2: 1.4, T3: 1.4). The ISO treatment had a similar effect to the CONTROL treatment (p >0.05) in the study variables. The metabolic restorative treatment during estrus synchronization in Saanen x Alpine goats reduces the onset of estrus and increases fertility and prolificacy.
Palabras llave : Amino acids; fecundity; gonadotropins; progestogens; prolificacy.