## 3 Results and Discussion
### Effect of Additive on Silage Characteristics
Moreover, lactic acid concentration  
\begin{table}
\begin{tabular}{c c c c c c c c c c c} \hline \hline \multirow{2}{*}{**Item**} & \multirow{2}{*}{**Silage**} & \multicolumn{6}{c}{**Storage Period (Days)**} & \multirow{2}{*}{**SEM**} & \multicolumn{3}{c}{_p_**-Value**} \\ \cline{3-10}  & & & **0** & **30** & **60** & **90** & **120** & **370** & **S** & **1** & **S**\(\times\) **1** \\ \hline TS & CTL & 14.06 \({}^{\mathrm{\AA}}\) & 13.51 \({}^{\mathrm{\AA}}\) & 13.64 \({}^{\mathrm{\AA}}\) & 13.56 \({}^{\mathrm{\,a}}\)\({}^{\mathrm{\mathrm{ABC}}}\) & 13.12 \({}^{\mathrm{\,a}}\)\({}^{\mathrm{\mathrm{BC}}}\) & 12.98 \({}^{\mathrm{\,a}}\)\({}^{\mathrm{\,c}}\) & 0.79 & 4.66 \(\times\) & 8.59 \(\times\) & \\  & A50:1 & 15.82 \({}^{\mathrm{\AA}}\) & 15.61 \({}^{\mathrm{\mathrm{B}}}\)\({}^{\mathrm{\mathrm{AB}}}\) & 15.19 \({}^{\mathrm{\,b}}\)\({}^{\mathrm{\,b}}\)\({}^{\mathrm{\,b}}\) & 14.92 \({}^{\mathrm{\,b}}\)\({}^{\mathrm{\,b}}\) & 13.96 \({}^{\mathrm{\,c}}\) & 13.80 \({}^{\mathrm{\,c}}\) & & & \\  & B150:1 & 14.79 \({}^{\mathrm{\,c}}\)\({}^{\mathrm{\AA}}\) & 14.58 \({}^{\mathrm{\,c}}\)\({}^{\mathrm{\AA}}\) & 14.41 \({}^{\mathrm{\,c}}\)\({}^{\mathrm{\,c}}\) & 14.24 \({}^{\mathrm{\,c}}\) & 13.50 \({}^{\mathrm{\,a}}\)\({}^{\mathrm{\mathrm{B}}}\) & 13.07 \({}^{\mathrm{\,c}}\) & & & \\  & C50:1 & 14.73 \({}^{\mathrm{\,c}}\)\({}^{\mathrm{\AA}}\) & 14.52 \({}^{\mathrm{\,c}}\)\({}^{\mathrm{\AA}}\) & 14.16 \({}^{\mathrm{\,c}}\)\({}^{\mathrm{\,c}}\)\({}^{\mathrm{\,c}}\) & 14.19 \({}^{\mathrm{\,c}}\)\({}^{\mathrm{\,c}}\) & 13.64 \({}^{\mathrm{\,ab}}\)\({}^{\mathrm{\,c}}\) & 13.16 \({}^{\mathrm{\,c}}\)\({}^{\mathrm{\,c}}\) & & & \\ \hline VS & CTL & 79.08 \({}^{\mathrm{\AA}}\) & 78.93 \({}^{\mathrm{\,a}}\)\({}^{\mathrm{\AA}}\) & 78.34 \({}^{\mathrm{\,a}}\)\({}^{\mathrm{\AA}}\) & 77.98 \({}^{\mathrm{\,a}}\)\({}^{\mathrm{\AA}}\) & 76.12 \({}^{\mathrm{\,a}}\)\({}^{\mathrm{\,a}}\)\({}^{\mathrm{\,a}}\) & 77.13 \({}^{\mathrm{\,a}}\)\({}^{\mathrm{\,a}}\) & 1.40 & 1.93 \(\times\) & 10\({}^{-12}\) & 0.6592 & 0.0696 \\  & A50:1 & 79.99 \({}^{\mathrm{\,b}}\)\({}^{\mathrm{\,b}}\)\({}^{\mathrm{\,a}}\) & 80.17 \({}^{\mathrm{\,b}}\)\({}^{\mathrm{\,b}}\)\({}^{\mathrm{\,b}}\) & 79.31 \({}^{\mathrm{\,b}}\)\({}^{\mathrm{\,b}}\)\({}^{\mathrm{\,a}}\) & 79.44 \({}^{\mathrm{\,b}}\)\({}^{\mathrm{\,b}}\)\({}^{\mathrm{\,b}}\) & 77.31 \({}^{\mathrm{\,a}}\)\({}^{\mathrm{\,a}}\)\({}^{\mathrm{\,b}}\) & 76.69 \({}^{\mathrm{\,a}}\)\({}^{\mathrm{\,a}}\) & & & \\  & B150:1 & 79.02 \({}^{\mathrm{\,a}}\)\({}^{\mathrm{\,a}}\)\({}^{\mathrm{\,a}}\) & 78.87 \({}^{\mathrm{\,a}}\)\({}^{\mathrm{\,a}}\) & 78.61 \({}^{\mathrm{\,a}}\)\({}^{\mathrm{\,a}}\) & 78.46 \({}^{\mathrm{\,b}}\)\({}^{\mathrm{\,b}}\)\({}^{\mathrm{\,b}}\)\({}^{\mathrm{\,b}}\) & 77.0 \({}^{\mathrm{\,a}}\)\({}^{\mathrm{\,a}}\)\({}^{\mathrm{\,b}}\) & 75.80 \({}^{\mathrm{\,b}}\)\({}^{\mathrm{\,b}}\) & & & \\  & C50:1 & 77.84 \({}^{\mathrm{\,c}}\)\({}^{\mathrm{\,c}}\)\({}^{\mathrm{\,c}}\) & 78.20 \({}^{\mathrm{\,a}}\)\({}^{\mathrm{\,a}}\) & 78.01 \({}^{\mathrm{\,c}}\)\({}^{\mathrm{\,c}}\) & 77.47 \({}^{\mathrm{\,a}}\)\({}^{\mathrm{\,a}}\)\({}^{\mathrm{\,b}}\)\({}^{\mathrm{\,c}}\) & 76.67 \({}^{\mathrm{\,a}}\)\({}^{\mathrm{\,a}}\)\({}^{\mathrm{\,b}}\) & 74.91 \({}^{\mathrm{\,c}}\)\({}^{\mathrm{\,c}}\) & & & \\ \hline pH & CTL & 4.94 & 5.12 \({}^{\mathrm{\,a}}\)\({}^{\mathrm{\,a}}\) & 4.65 \({}^{\mathrm{\,a}}\)\({}^{\mathrm{\,a}}\) & 4.57 \({}^{\mathrm{\,a}}\)\({}^{\mathrm{\,a}}\) & 4.57 \({}^{\mathrm{\,a}}\)\({}^{\mathrm{\,a}}\) & 4.50 \({}^{\mathrm{\,a}}\)\({}^{\mathrm{\,a}}\) & 4.50 \({}^{\mathrm{\,a}}\)\({}^{\mathrm{\,a}}\) & 0.17 & 0.724 &was not significantly different (\(p<0.05\)) among the silages after 90 days, except in A50:1 silage, wherein it was significantly higher. After 370 days of ensiling, lactic acid was higher (\(p<0.05\)) in treated silages than in CTL silage. A high concentration of lactic acid in a silage brings about a reduction in the pH of the system, resulting in the inhibition of unwanted microbial activities [35].