From: A meta-analysis on the effects of probiotics on the performance of pre-weaning dairy calves
 |  | SMD | Heterogeneity | RMD | Egger’s test | Begg’s test | |||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
n | Random effect | 95% CI | P-value | Chi-squared (Q) | P-value | I2, % | Control mean | Random effect | 95% CI | P-value | P-value | P-value | |
Organic matter digestibility, % | 8 | 0.242 | −0.138, 0.623 | 0.211 | 1.480 | 0.983 | 0 | 86.400 | 0.724 | −0.924, 2.372 | 0.389 | 0.282 | 0.386 |
Dry matter digestibility, % | 8 | 0.332 | −0.049, 0.713 | 0.087 | 0.630 | 0.999 | 0 | 84.240 | 1.195 | −0.368, 2.757 | 0.134 | 0.955 | 0.386 |
Ether extract digestibility, % | 5 | 0.324 | −0.149, 0.796 | 0.179 | 0.230 | 0.994 | 0 | 83.800 | 1.587 | −1.509, 4.684 | 0.315 | 0.059 | 1.000 |
Crude protein digestibility, % | 7 | 0.290 | −0.113, 0.692 | 0.158 | 3.240 | 0.779 | 0 | 82.986 | 1.339 | −0.613, 3.291 | 0.179 | 0.893 | 1.000 |
NDF digestibility, % | 2 | 3.828 | −6.266, 13.921 | 0.457 | 8.550 | 0.003 | 88.3 | 54.900 | 8.808 | −10.889, 28.506 | 0.381 |  | 1.000 |
ADF digestibility, % | 3 | 0.134 | −0.796, 1.065 | 0.777 | 3.940 | 0.140 | 49.2 | 57.200 | 0.711 | −2.717, 4.138 | 0.684 | 0.518 | 1.000 |
SDMI, kg/d | 42 | 0.439 | 0.234, 0.644 |  < 0.001 | 114.640 |  < 0.001 | 64.2 | 2.655 | 0.034 | 0.014, 0.053 | 0.001 | 0.030 | 0.050 |
TDMI, kg/d | 47 | 0.329 | 0.105, 0.552 | 0.004 | 150.820 |  < 0.001 | 69.5 | 1.003 | 0.020 | 0.006, 0.033 | 0.005 | 0.025 | 0.137 |
FCR, kg/kg | 35 | −0.305 | −0.466, −0.144 |  < 0.001 | 50.090 | 0.037 | 32.1 | 2.467 | −0.073 | −0.115, −0.031 | 0.001 | 0.012 | 0.005 |