Processing Agricultural Waste Through Probiotic Fermentation of Corn Cob Cellulose as Poultry Feed
Keywords:
Agricultural Waste, Cellulose Extraction, Corn Cobs, Poultry Feed, Probiotic FermentationAbstract
Agricultural waste, particularly corn cobs, is an abundant biomass resource that is underutilized. This research aimed to process corn cob waste through probiotic fermentation to improve its nutritional quality as poultry feed. The study was conducted in two main stages: cellulose extraction from corn cobs using alkaline and bleaching methods, followed by probiotic fermentation using lactic acid bacteria. A completely randomized design was employed with variations in fermentation time (1, 3, 5, and 7 days) and probiotic concentration. The results showed that cellulose extraction yielded 70.05% with white-yellowish color, odorless, and fine texture. Fermentation significantly increased crude protein content from 3.2% to 9.8% and reduced crude fiber from 68.5% to 42.3%. The highest probiotic population reached 8.7 × 10⁸ CFU/g after 7 days of fermentation. Statistical analysis using ANOVA and Duncan's test confirmed that fermentation time and probiotic concentration had significant effects (p<0.05) on all observed parameters. It was concluded that probiotic fermentation effectively enhances the nutritional value of corn cob cellulose, making it a viable alternative feed ingredient for poultry.
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