Ciencias Agropecuarias

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Author: search.filters.author.Pinos Moreta, Paola JaennetteSubject: search.filters.subject.BUN

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    Efecto de la suplementación con Germen de Malta sobre los niveles de hormonas esteroideas, indicadores metabólicos en ovejas criollas (Ovis aries) sometidas a un protocolo de superovulación en el cantón Quero provincia de Tungurahua
    (2021-09) Pinos Moreta, Paola Jaennette; Aragadvay Yungán, Gonzalo
    The objective of this research was to evaluate the effect of malt germ supplementation on steroid hormone levels, metabolic indicators, and productive parameters in Creole ewes (Ovis aries) subjected to a superovulation protocol. A total of 8 ewes were used, divided into two groups I and II, the first one with malt germ and the second one without. The ewes were fed with fresh forage (ryegrass and alfalfa), twice a day, 7 am and 4 pm, and malt germ was added to this ration in an amount of 500 mg, divided twice a day. It should be noted that the animals were adapted for a period of 15 days, after which the estrus synchronization protocol was applied using the Ovsynch method for the two treatments, for which two products, Fertagyl® and Cloprotenol, were used, starting on day zero, seventh and ninth day, applied at 6 am. Once the ewes were in estrus, the superovulation protocol was applied, for which a CIDR® intravaginal progesterone implant was applied, which was removed on day 10, and blood samples were immediately taken to measure progesterone in each of the ewes of G1 and G2. On subsequent days 8, 9, 10 and 11, decreasing doses of FSH (Foltropin®) were applied, from 2 ml every 12 hours until reaching 0.5 ml on the eleventh day. The results obtained showed that the progesterone profile presented a mean of 25.31 ng/ml in contrast to T2 which was determined in a mean of 7.73 ng/ml, and it was determined that there was a significant difference between treatments (p<0.05), glucose presented a mean of 67.75 in T1 and 73.50 in T2, and presented a significant difference between treatments (p<0.05), Ureic Nitrogen (T1 and T2), and it was determined that there was a significant difference between treatments (p<0.05), Ureic Nitrogen (T1 and T2), and it was determined that there was a significant difference between treatments (p<0.05). Finally, weight gain values were obtained for group I of 243.50 and group II with a value of 180.00, with which it is concluded that malt germ allows an energetic balance, as positive responses on weight gain in this analyzed species.