Inclusión de banano de descarte en ensilaje de caña de azúcar reduce las pérdidas de materia seca y mejora su valor nutricional
DOI:
https://doi.org/10.17533/udea.rccp.v32n1a06Palabras clave:
aditivos, alimentación animal, conservación de forraje, contenido de fibra, fruta de descarte, subproducto de cosechaResumen
Antecedentes: El ensilaje de caña de azúcar (SCS) es frecuentemente caracterizado por grandes pérdidas de materia seca (DM) asociadas con reducciones en los nutrientes solubles y aumentos en la fibra indigestible. Objetivo: Evaluar el efecto de la inclusión de frutas de descarte sobre las perdidas y el valor nutricional del SCS. Métodos: Se utilizó un diseño completamente aleatorizado con cinco tratamientos y cinco repeticiones. Fueron adicionados a los ensilajes, 15 % (materia natural) de papaya (Carica papaya) (SP), acerola (Malpighia glabra) (SA), banano (Musa sp.) (SB) o tomate (Solanum lycopersicum) (ST). El control estuvo compuesto apenas por SCS. Veinticinco baldes de 25 L fueron usados para hacer los silos, los cuales se abrieron al día 90 posterior a su cierre. Los datos fueron analizados por análisis de varianza. Resultados: Las pérdidas de gases y de DM total fueron menores y la recuperación de DM fue mayor en SB y SA que en el grupo control (p>0,05). Sin embargo, hubo efecto de tratamiento para los contenidos de ácidos láctico y acético, y nitrógeno amoniacal y recuento de bacterias ácido lácticas, levaduras y hongos (p<0,05). Conclusiones: La inclusión de 15% de banano y acerola en SCS decreció las perdidas, y aumentó la recuperación de DM. Además, la inclusión de un 15% de banano mejoró el valor nutricional de SCS.
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