Table 1 Regression analyses of the covariates
From: Overall assessment of antibiotic substitutes for pigs: a set of meta-analyses
Outcomes | Type of feed additive | Growth stage | Dose |
|---|---|---|---|
Average daily gain | 0.986 | 0.064 | 0.954 |
Average daily feed intake | 0.105 | 0.001 | 0.466 |
Gain: feed ratio | 0.414 | 0.009 | 0.082 |
Villus height: crypt depth of the duodenum | 0.474 | 0.974 | 0.949 |
Villus height: crypt depth of the jejunum | 0.168 | 0.514 | 0.409 |
Villus height: crypt depth of the ileum | 0.021 | 0.989 | 0.397 |
IgA | 0.278 | 0.196 | 0.597 |
IgM | 0.552 | 0.591 | 0.886 |
IgG | 0.354 | 0.449 | 0.976 |
Lymphocytes | 0.156 | 0.661 | 0.978 |
Diarrhoea rate | 0.587 | NA | NA |
Diarrhoea index | 0.535 | NA | 0.053 |