Table 1.
Fiber source, enzyme combination, and summary statistics of research outcomes of selected research papers evaluating the effects of non-starch polysaccharides-degrading enzymes on average daily gain and feed conversion ratio in broilers.
| ADG in NSPase | ADG in Control | FCR in NSPase | FCR in Control | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| S.N. | Study | Days | Fiber Source | Enzyme | Rep (N) | Mean, g | ±SEM | Mean, g | ±SEM | Mean | ±SEM | Mean | ±SEM |
| 1 | Amerah et al. 2008 [111] | 21 | w 66.5% | xyl | 6 | 46.5 | 0.57 | 47.2 | 0.57 | 1.35 | 0.013 | 1.41 | 0.013 |
| 2 | Amerah et al. 2015 [112] | 21 | w > 60%, s > 5%, rp 0–6% | xyl + gluc | 8 | 49.6 | 0.63 | 49.9 | 0.63 | 1.34 | 0.008 | 1.35 | 0.008 |
| 3 | Gao et al. 2008 [113] | 21 | w 60% | xyl + gluc + cel + pec | 4 | 37.3 | 1.57 | 32.9 | 1.27 | 1.58 | 0.070 | 1.73 | 0.065 |
| 4 | Kiarie et al. 2014 [114] | 21 | w 60%, wb 9% | xyl + basal phy | 6 | 37.2 | 0.86 | 34.8 | 0.86 | 1.37 | 0.023 | 1.42 | 0.023 |
| 5 | La’zaro et al. 2003 [115] | 25 | r 50% | xyl + gluc | 7 | 38.3 | 0.99 | 31.7 | 0.99 | 1.66 | 0.040 | 1.71 | 0.040 |
| 6 | Lee et al. 2020 [116] | 20 | w 10–20% | xyl | 10 | 36.8 | 0.42 | 34.9 | 0.42 | 1.47 | 0.021 | 1.56 | 0.021 |
| 7 | Luo et al. 2009 [117] | 21 | w 40% | xyl | 5 | 27.9 | 0.35 | 27.2 | 0.35 | 1.56 | 0.046 | 1.71 | 0.046 |
| 8 | Mathlouthi et al. 2002 [118] | 21 | w 40%, b 20% | xyl + gluc | 12 | 38.7 | 1.21 | 27.4 | 1.77 | 1.50 | 0.009 | 1.65 | 0.030 |
| 9 | Munyaka et al. 2016 [119] | 21 | w 42%, b 5%, r 5%, wm 2% | xyl + gluc | 7 | 40.6 | 0.45 | 39.3 | 0.45 | 1.12 | 0.040 | 1.17 | 0.040 |
| 10 | Pirgozliev et al. 2015 [120] | 21 | w 63% | xyl | 6 | 39.4 | 0.57 | 38.4 | 0.57 | 1.35 | 0.008 | 1.35 | 0.008 |
| 11 | Selle et al. 2003 [121] | 24 | w 70% | xyl + phy | 8 | 44.3 | 0.81 | 38.4 | 0.81 | 1.46 | 0.021 | 1.57 | 0.021 |
| 12 | Selle et al. 2003 [121] | 24 | w 70% | xyl | 8 | 44.2 | 0.81 | 38.4 | 0.81 | 1.48 | 0.021 | 1.57 | 0.021 |
| 13 | Wang et al. 2005 [109] | 21 | w 70% | xyl + gluc | 6 | 41.4 | 0.32 | 36.9 | 0.32 | 1.53 | 0.013 | 1.59 | 0.013 |
| 14 | Woyengo et al. 2008 [122] | 21 | w 58% | xyl main effect | 8 | 44.3 | 0.56 | 43.7 | 0.56 | 1.26 | 0.008 | 1.27 | 0.008 |
| 15 | Wu et al. 2005 [123] | 21 | w 66% | xyl | 6 | 38.3 | 0.39 | 37.3 | 0.39 | 1.34 | 0.015 | 1.38 | 0.015 |
| 16 | Yang et al. 2008 [124] | 21 | w 62.4% | xyl | 8 | 56.9 | 1.26 | 52.9 | 1.26 | 1.65 | 0.049 | 1.83 | 0.049 |
| 17 | Zhang et al. 2014 [110] | 21 | w 60% | xyl | 6 | 37.7 | 0.35 | 35.6 | 0.35 | 1.52 | 0.030 | 1.60 | 0.030 |
Abbreviations: S.N. serial number; Rep: the number of replicates, NSP: non-starch polysaccharide; ADG: average daily gain; FCR: feed conversion ratio; N: replicate; SEM: pooled standard error of mean; w: wheat; b: barley; r: rye; wb: wheat bran; wm: wheat middlings; rp: rapeseed; s: sunflower; xyl: xylanase; gluc: glucanase; phy: phytase; cel: cellulase; pec: pectinase.