Table 6 The summary of the meta-regression analysis on the effects of probiotics on pre-weaning dairy calves
From: A meta-analysis on the effects of probiotics on the performance of pre-weaning dairy calves
Dependent variable (Y, RMD) | Meta-regression parameter (P-value) | ||||||||
|---|---|---|---|---|---|---|---|---|---|
Intercept | Duration, d | Age, d | Beginning BW, kg | Dosage, log10 CFU/d | Probiotic strains | Methods | adj R2 | No. of | |
BW, kg | −15.251 | −0.003 (0.887) | −0.120 (0.244) | 0.312 (< 0.001) | 0.331 (0.387) | −0.581 (0.626) | 1.576 (0.002) | 5.38 | 55 |
TDMI, kg/d | −0.114 | 0.000 (0.776) | 0.001 (0.213) | 0.052 (0.096) | −0.009 (0.230) | −0.032 (0.074) | 0.019 (0.045) | 38.98 | 39 |
Butyrate, mmol/L | 38.493 | −0.005 (0.826) | 0.052 (0.710) | −.084 (0.485) | −3.057 (0.039) | −0.651 (0.640) | −2.036 (0.238) | 33.98 | 13 |
IgA, g/L | −1.450 | −0.003 (0.371) | −0.008 (0.200) | −.049 (0.073) | 0.545 (0.003) | −0.487 (0.004) | −0.317 (0.189) | 91.99 | 20 |
IgM, g/L | −1.876 | −0.000 (0.871) | −0.003 (0.603) | 0.005 (0.800) | 0.267 (0.018) | −0.395 (0.074) | −0.056 (0.755) | 95.59 | 21 |
Faecal Score | 0.523 | −0.002 (0.064) | −0.009 (0.012) | −0.007 (0.464) | −0.019 (0.455) | 0.129 (0.110) | −0.090 (0.036) |  < 0 | 24 |