Evaluación del potencial forrajero y composición nutricional del pasto Brachiaria Híbrido Sabia AIG-330 J, a tres edades de corte
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En la Facultad de Ciencias Agropecuarias campus Mutiles, en San Mateo, Esmeraldas, se evaluó el pasto Brachiaria Híbrido Sabia AIG-330 J a tres edades de corte (30, 60 y 90 días), mediante un diseño experimental completamente aleatorizado y análisis estadístico con la prueba de Fisher al 5%. Se estudiaron variables de potencial forrajero, como altura de corte, cobertura, producción de forraje verde y materia seca, así como composición nutricional (materia seca, cenizas, proteína, fibra, extracto libre de nitrógeno y extracto etéreo). Los resultados mostraron diferencias significativas, destacando mayor altura a los 90 días (1,32 m) y mayor producción de forraje verde (77,13 ton/ha/año) y materia seca (13,13 ton/ha/año). El análisis nutricional reveló una disminución en el contenido de proteína con el aumento de la edad de corte, siendo más alto a los 30 y 60 días (14,16%) y menor a los 90 días (10,86%). La fibra alcanzó su máximo a los 90 días (31,50%). Estos hallazgos sugieren que el corte a 60 días ofrece un balance óptimo entre producción de biomasa y valor nutricional, recomendando al híbrido Brachiaria Sabia AIG-330 J como una eficiente fuente forrajera para esta edad.
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