Table 4. Effect of multiple probiotics additive on fecal NH4-N concentrations in White Semi broiler (Unit: ppm)
| Experiment period (weeks) | Con | LacBalcil | LacBalcilPho |
| 2 | 4,511.82±317.77a | 4,647.84±118.07a | 3,919.52±368.78b |
| 3 | 2,952.17±1,320.07a | 2,464.46±479.12b | 2,459.40±739.83b |
| 4 | 4,667.44±1,186.18a | 3,383.09±1,537.85c | 4,135.96±681.00b |
| Average | 4,043.81±722.55a | 3,831.80±396.33b | 3,504.96±189.27c |
Means in same rows with different superscripts are significantly different (P<0.05).
Con, non-addition; LacBacil, Bacillus subtills (1.0 × 107 CFU/g) and Lactobacillus acidophilus (1.0 × 107 CFU/g); LacBalcilPho, Bacillus subtills (1.0 × 107 CFU/mL), Lactobacillus acidophilus (1.0 × 107 CFU/mL) and Rhodopseudomonas sp. (1.0 × 107 Cell/mL).