Efecto de la suplementación de dos dietas balanceadas durante el encaste de yeguas mestizas en la Estación Experimental Tunshi

Abstract

Years ago, equine production presented a deficit in feeding, due to the lack of research in nutrition and feeding in the growth categories, because of this there was an unbalanced diet during all stages of production for this reason the present research evaluated the supplementation of two balanced diets during the mare crossbreeding in Estación Experimental Tunshi in a period of 15 weeks, 12 mares were used with an average weight of 405 kg, 1 animal as experimental unit size, the treatments were: T1 (grazing + commercial balanced feed), T2 (grazing + elaborated balanced feed), finally T0 (grazing), 4 repetitions per treatment were carried out, every 15 days the weight of each animal was recorded. To verify the results, the analysis of variance and the separation of means of the treatments were carried out, in addition to the Tukey test, whose significance was P<0.05. At the end of the study, it was concluded that although the commercial balanced feed helps the development and weight gain, the investment cost in higher in comparison with the elaborated balanced feed, which helps to minimize production costs. Regarding reproductive parameters, T1 obtained better results in terms of the presence of dominant follicle and follicular growth; however, this treatment required two services. The most profitable treatment was T3, which showed a profitability of 0.31 dollars for each dollar invested, which showed good results for the variables under study and better results for the producers.