乳酸杆菌对肉鸡生长性能影响的Meta分析

邢爽,冯京海

Effects of Lactobacillus Supplements on Growth Performance of Broilers: A Meta-Analysis

Shuang XING,JingHai FENG

表1 乳酸杆菌对肉鸡生长性能影响的Meta分析

Table 1 Meta-analysis of the effect of Lactobacillus on growth performance in broiler chickens

指标 Index 效应量 Effect size 异质性检验 Heterogeneity n SMD 95%CI 实际值变化范围 Range of increase P值 P value I2 P值 P value 前期（1-21日龄）Early stage (1-21 d) ADG 3614 1.05 0.69,1.42 1.69-3.15 P＜0.001 98 P＜0.001 ADFI 3482 -0.09 -0.47,0.28 -4.49-3.39 P=0.630 98 P＜0.001 F/G 3614 -1.31 -1.86,-0.77 -0.26-0.02 P＜0.001 99 P＜0.001 后期（22-42日龄）Late stage (22-42 d) ADG 3614 0.52 -0.08,1.12 -6.54-12.74 P=0.090 99 P＜0.001 ADFI 3482 -0.32 -1.05,0.40 -14.96-12.83 P=0.380 99 P＜0.001 F/G 3614 -0.94 -1.28,-0.59 -0.45-0.32 P＜0.001 98 P＜0.001 全期（1-42日龄）Entire stage (1-42 d) ADG 4118 1.53 1.22,1.84 -0.74-8.58 P＜0.001 97 P＜0.001 ADFI 5706 -0.16 -0.16,0.28 -8.21-6.88 P=0.470 99 P＜0.001 F/G 5918 -1.43 -1.83,-1.03 -0.38-1.03 P＜0.001 99 P＜0.001