Fermentation of Sugarcane Sludge to Improve Dry- and and Organic Matters Digestibility and Rumen Parameters In Vitro
The objective of the research was to study the utilization of fungi and yeast on sugarcane sludge fermentation. The treatments of the first experiment were P0= sugarcane sludge without fermentation; P1= fermentation by Saccharomyces cereviceae; P2 = fermentation by Aspergillus oryzae; P3 = fermentation by Aspergillus niger; P4= fermentation by Rhizopus orryzae. Treatments were arranged in a Completely Randomised Design. The treatments of the second experiments were R0 = basic rations, R1 = R0 + 5% fermented of sugarcane sludge, R2 = R0 + 10% fermented of sugarcane sludge, R3 = R0 + 15% fermented of sugarcane sludge, R4 = R0 + 20% fermented of sugarcane sludge. Treatments have significant effects (P<0.05) on VFA and NH3 parameters. Based on these parameters, fermentation of sugarcane sludge using Saccharomyces cereviceae had better results compared to others. The treatments had significant effect (P<0.05) on NH3, and based on polynomial orthogonal test the treatments had linear curve of Y= 4,035 +0,237X. However, treatments had no significant effects on VFA and organic matters digestibility. The dry matters digestibility parameters were significantly affected (P<0.05), and the curve response was linear with equation of Y=45,964 - 0,294X. (Animal Production 10(1): 30-33 (2008)
Key Words: Sugarcane sludge processing, fungi, yeast, in vitro
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