Influence of Bacterial Inoculants and Xylanase on Silage Fermentation Characteristics of Wheat Straw and Green Maize Silage
DOI:
https://doi.org/10.48165/ijvsbt.19.1.06Keywords:
L. fermentum, L. plantarum, Silage, Wheat straw, XylanaseAbstract
The present investigation was conducted with the objective to study various combinations of biological and chemical additives on fermentation characteristics of wheat straw and green maize silage. Different silages were prepared using green maize fodder and wheat straw in the proportion of 10:0 & 7:3 ratio in plastic jar of 3 kg capacity (3 replication in each) by adding common salt @ 0.5%, urea @ 1% and molasses @ 1.5% in each silage with seven different treatments, viz., Control (only green maize), WS (green maize and wheat straw in 7:3 ratio), X (WS added with Xylanase), LP (WS added with Lactobacillus plantarum), LF (WS added with Lactobacillus fermentum), LPLF (WS added with both bacterial inoculants) and XLPLF (WS added with Xylanase and both bacterial inoculants). Xylanase, L. plantarum and L. fermentum were used @ 1500 IU/g, 1 x 106 cfu/g and 2 x 106 cfu/g, respectively. All silages were evaluated for silage fermentation characteristics after 45 days of ensiling. The results revealed that the pH values of different experimental silages were recorded significantly (p<0.01) lower as compared to control treatment. TVFA content was significantly (p<0.01) increased in all additives inoculated silage as compared to control and WS silage. NH3-N content was significantly (p<0.01) lower in X, LF and XLPLF inoculated silage and total N content was significantly (p<0.01) higher in LP inoculated silage. Water soluble carbohydrate (WSC) content was significantly (p<0.05) lower in LP, XLPLF and LF as compared to WS silage and all additives inoculated experimental silage had significantly (p<0.01) higher content of lactic acid as compared to control and WS silage being highest in LP inoculated silage. Thus, it is concluded that all additives improve fermentation characteristics of silage and among all additives; L. plantarum is the best silage additive.
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