RESUMENEl reciente aumento en el uso de biodiesel en Brasil y en el extranjero, junto con la disponibilidad de gran cantidad de su residuo, el glicerol, ha generado un gran interés en el uso de este co-producto de varias maneras, entre ellas su aplicación en la alimentación animal. El uso de glicerol en la formulación de dietas despierta interés inmediato para obtener un producto rico en energía y alta eficiencia de utilización por los animales. El objetivo de este estudio fue evaluar los efectos del uso de la glicerina resultante de la producción de biodiesel como suplemento energético en la producción de alimentos para animales, buscando establecer protocolos adecuados para cada especie a partir de estudios anteriores. En los trabajos analizados, hubo estudios con cerdos, vacas, toros, ovejas, gallinas ponedoras y pollos de engorde. Del análisis realizado se puede inferir que el glicerol es un ingrediente alimenticio de remplazo adecuado en dietas en animales de producción.Palabras clave: alimentación, ingrediente alimentario, producción animal, desempeño. SUMMARYThe recent surge in the use of biodiesel in Brazil and abroad, coupled with the availability of large amounts of glycerol, are generating interest in the use of this co-product in several ways, such as its use in animal feed. The use of glycerol in the formulation of diets caused immediate interest to obtain a highly efficient energy rich product to use in animal production. The aim of this study was to evaluate the effects of the use of glycerol resulting from biodiesel production as an energy supplement in animal feed, as well as establishing appropriate protocols for each species based on previous studies. Most of them using pigs, cows, bulls, sheep, laying hens and broilers. It was possible to infer from these studies that glycerol was a food ingredient suitable for replacement in diets of different animal species.
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