Effect of Saccharomyces Cerevisiae Supplementation on In Vitro Gas Production of Biscuit Waste
Journal Title: Global Journal of Animal Scientific Research - Year 2015, Vol 3, Issue 2
Abstract
An in vitro gas production technique was used in this study to elucidate the effect of active live yeast on gas production. The treatment contained 0, 2.5, 5 and 7.5 g yeast Saccharomyces Cerevisiae (SC) per kg of biscuit waste based on DM, respectively. 2 h after incubation time the treatment with SC 7.5 g/kg DM had the highest gas production (P<0.05). At the early incubation times (4 and 6 h), the treatments 1 and 2 (treatment with SC, 0 and 2.5 g/kg DM, respectively) had the highest gas production volume among treatments, but up to 8 h the gas production volume in treatment 4 (treatments with SC, 7 g/kg DM) was the lowest gas production volume (p<0.05). It was concluded that in vitro gas production value of biscuit waste was improved with addition of yeast Saccharomyces Cerevisiae at 2.5 g/kg DM, but Saccharomyces Cerevisiae at 5 and 7.5 g/kg DM decreased gas production volume.
Authors and Affiliations
Maghsoud Besharati
Keywords
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