# Factors Influencing the Effects of Triticale on Laying Hens' Performance: A Meta-Analysis
## 3 Results
### Impact of Triticale Percentages on Performance of Laying Hens
\begin{table}
\begin{tabular}{l c c c c c c c c c c} \hline \hline \multirow{2}{*}{**Variables 1**} & \multicolumn{4}{c}{**Mixed-Effect Model**} & \multicolumn{4}{c}{**Heterogeneity 3**} \\ \cline{2-11}  & \multicolumn{4}{c}{**95\% CI**} & \multirow{2}{*}{**I\({}^{2}\) (\%)**} & \multirow{2}{*}{**\(\tau^{2}\)**} & \multirow{2}{*}{**\(\tau\)**} & \multirow{2}{*}{**RM\({}^{2}\)**} & \multirow{2}{*}{**QM**} & \multirow{2}{*}{**df**} & \multirow{2}{*}{**_p-Value**} \\ \cline{2-11}  & \multicolumn{4}{c}{**k 2**} & & & & & & & & & \\ \hline EP & & & & & & & & & & \\ _Joesong_ & 4 & \(-\)0.0353 & \(-\)0.1937 & 0.1232 & 96.39 & 0.7875 & 0.8874 & 0.00 & 0.1902 & 1 & 0.6628 \\ _Juanilo_ & 7 & 0.1292 & 0.0128 & 0.2457 & 97.77 & 10.2875 & 3.2074 & 39.90 & 4.7301 & 1 & 0.0296 \\ _Joesong_ & 4 & 0.0189 & \(-\)0.1377 & 0.1754 & 96.02 & 0.7684 & 0.8766 & 0.00 & 0.0558 & 1 & 0.8133 \\ _Fl_ & & & & & & & & & & \\ _Juanilo_ & 7 & 0.0056 & \(-\)0.0651 & 0.0762 & 96.59 & 3.8256 & 1.9559 & 0.00 & 0.0237 & 1 & 0.8777 \\ _Joesong_ & 4 & 0.0562 & \(-\)0.1591 & 0.2715 & 97.80 & 1.4786 & 1.2160 & 0.00 & 0.2615 & 1 & 0.6091 \\ _FCR_ & & & & & & & & & & \\ _Juanilo_ & 7 & 0.0029 & \(-\)0.0241 & 0.0298 & 81.49 & 0.4706 & 0.6860 & 0.00 & 0.0441 & 1 & 0.8336 \\ _Joesong_ & 4 & 0.0758 & \(-\)0.0854 & 0.2371 & 96.49 & 0.8154 & 0.9030 & 0.00 & 0.8501 & 1 & 0.3565 \\ _EYC_ & & & & & & & & & & & \\ _Juanilo_ & 7 & \(-\)0.1695 & \(-\)0.2363 & 0.1028 & 64.70 & 1.7919 & 1.3386 & 89.16 & 24.7806 & 1 & \textless{}0.0001 \\ _Joesong_ & 4 & \(-\)0.3741 & \(-\)0.5990 & \(-\)0.1493 & 94.29 & 1.4933 & 1.2220 & 77.84 & 10.6328 & 1 & 0.0011 \\ \hline \hline \end{tabular}  
* EP: egg production; EW: egg weight; FI: feed intake; **EYC**: egg yolk color. 2 k: study number. 3 F\({}^{2}\): Higgins statistic; QM: model sum of square; 7\({}^{2}\): heterogeneity variance of the true effect sizes; \(\tau\): standard deviation of the true effect sizes; R\({}^{2}\): percentage of variation explained by the model; df: degree of freedom.  
\end{table} 
Table 4: Meta-regression analysis of the effect of triticale percentage on laying hens’ performance in Juanilo and Joesong strains. \begin{table}
\begin{tabular}{l c c c c c c c c c c c} \hline \hline \multirow{2}{*}{**Variables 1**} & \multicolumn{4}{c}{**Mixed-Effect Model**} & \multicolumn{4}{c}{**Heterogeneity 3**} \\ \cline{2-11}  & \multicolumn{4}{c}{**95\% CI**} & \multirow{2}{*}{**I\({}^{2}\) (\%)**} & \multirow{2}{*}{**\(\tau^{2}\)**} & \multirow{2}{*}{**\(\tau\)**} & \multirow{2}{*}{**QM**} & \multirow{2}{*}{**df**} & \multirow{2}{*}{**_p-Value**} \\ \cline{2-11}  & \multicolumn{4}{c}{**k 2**} & & & & & & & & & \\ \hline EP & & & & & & & & & & \\ _Lezhorn_ & 8 & \(-\)0.0081 & \(-\)0.0306 & 0.0144 & 77.40 & 0.3224 & 0.5678 & 0.00 & 0.4990 & 1 & 0.4799 \\ _Hy-Line Brown_ & 4 & \(-\)0.0353 & \(-\)0.1937 & 0.1232 & 96.39 & 0.7875 & 0.8874 & 0.00 & 0.1902 & 1 & 0.6628 \\ _Lezhorn_ & 8 & 0.1086 & \(-\)0.0138 & 0.2310 & 98.41 & 12.1592 & 3.4870 & 22.93 & 3.0262 & 1 & 0.0819 \\ _Hy-Line Brown_ & 4 & 0.0189 & \(-\)0.1377 & 0.1754 & 96.02 & 0.7684 & 0.8766 & 0.00 & 0.0558 & 1 & 0.8133 \\ FI & & & & & & & & & & & \\ _Lezhorn_ & 8 & 0.0088 & \(-\)0.0546 & 0.0721 & 96.47 & 3.2404 & 1.8001 & 0.00 & 0.0733 & 1 & 0.7865 \\ _Hy-Line Brown_ & 4 & 0.0562 & \(-\)0.1591 & 0.2715 & 97.80 & 1.4786 & 1.2160 & 0.00 & 0.2615 & 1 & 0.6091 \\ _FCR_ & & & & & & & & & & \\ _Lezhorn_ & 7 & 0.0029 & \(-\)0.0241 & 0.0298 & 81.49 & 0.4706 & 0.6860 & 0.00 & 0.0441 & 1 & 0.8336 \\ _Hy-Line Brown_ & 4 & 0.0758 & \(-\)0.0854 & 0.2371 & 96.49 & 0.8154 & 0.9030 & 0.00 & 0.8501 & 1 & 0.3565 \\ \hline \hline \end{tabular}  
* EP: egg production; EW: egg weight; FI: feed intake; **EYC**: egg yolk color. 2 k: study number. 3 F\({}^{2}\): Higgins statistic; QM: model sum of square; 7\({}^{2}\): heterogeneity variance of the true effect sizes; \(\tau\): standard deviation of the true effect sizes; R\({}^{2}\): percentage of variation explained by the model; df: degree of freedom.  
\end{table}