Table 2.
Effects of dietary supplementation of LQ on growth performance in broilers.1
| Items2 | Treatment3 |
SEM | P value | ||
|---|---|---|---|---|---|
| CON | AGP | LQ | |||
| D 1 BW (g) | 39.96 | 39.89 | 39.73 | 0.69 | 0.97 |
| D 21 BW (g) | 739.16 | 764.08 | 754.01 | 9.30 | 0.18 |
| D 42 BW (g) | 2,435b | 2,415b | 2,563a | 35 | 0.01 |
| D 1–21 | |||||
| ADFI (g/d) | 48.55 | 49.88 | 49.23 | 0.77 | 0.48 |
| ADG (g/d) | 34.96 | 36.21 | 35.71 | 0.45 | 0.16 |
| F/G | 1.39 | 1.38 | 1.38 | 0.02 | 0.85 |
| D 22–42 | |||||
| ADFI (g/d) | 135.58 | 131.73 | 139.55 | 2.35 | 0.08 |
| ADG (g/d) | 77.09b | 75.04b | 82.25a | 1.39 | 0.03 |
| F/G | 1.76 | 1.76 | 1.70 | 0.03 | 0.33 |
| D 1–42 | |||||
| ADFI (g/d) | 91.55 | 90.66 | 94.18 | 1.60 | 0.28 |
| ADG (g/d) | 57.02b | 56.55b | 60.09a | 0.82 | 0.01 |
| F/G | 1.61 | 1.61 | 1.57 | 0.03 | 0.58 |
a,b
Values in the same row with different superscripts were significantly different (P < 0.05) while with same superscripts were insignificantly different (P > 0.05).
1
Values are expressed as means with SEM.
2
Abbreviations: ADG, average daily gain; ADFI, average daily feed intake; BW, body weight; F/G, feed: gain ratio.
3
CON, broilers fed a basal diet; AGP, broilers fed a basal diet supplemented with 45 mg/kg chlortetracycline (15%) and 10 mg/kg kitasamycin (45%); LQ, broilers fed a basal diet supplemented with 50 mg/kg Lactobacillus (1 × 1012 CFU/g) and 500 mg/kg quorum quenching enzyme (10,000 IU /g).