Table 2.
Mean values for the experimental periods of 1 to 14 and 1 to 35 days
| Variable | Treatment1) | ||||
|---|---|---|---|---|---|
|
| |||||
| NC | PC | BT | SEM | p-value* | |
| 1 to 14 days | |||||
| BW1 (kg) | 7.00 | 7.26 | 7.20 | - | - |
| BW14 (kg) | 11.87 | 12.09 | 11.92 | 0.30 | 0.787 |
| ADG (kg) | 0.35 | 0.34 | 0.34 | 0.01 | 0.871 |
| ADFI (kg) | 0.47 | 0.48 | 0.45 | 0.01 | 0.304 |
| G:F | 0.76 | 0.71 | 0.75 | 0.02 | 0.434 |
| ID (%)2) | 11.63a | 14.61a | 8.35b | - | - |
| 1 to 35 days | |||||
| BW35 (kg) | 25.05 | 26.81 | 25.48 | 0.74 | 0.553 |
| ADG (kg) | 0.52 | 0.56 | 0.52 | 0.02 | 0.617 |
| ADFI (kg) | 0.84 | 0.88 | 0.83 | 0.02 | 0.561 |
| G:F | 0.62 | 0.64 | 0.63 | 0.01 | 0.510 |
| ID (%)2) | 6.75a | 8.26a | 4.88b | - | - |
SEM, standard error of the mean; BW1, body weight; BW14, body weight at 14 days; ADG, average daily gain; ADFI, average daily feed intake; G:F, gain to feed ratio; ID, incidence of diarrhea; BW35, body weight at 35 days.
1)
NC, negative control: basal diet; PC, positive control: basal diet + colistin sulfate; BT, basal diet + butyrate- and tannin-based additive.
2)
ID (%) = total number of feces counted daily in the pen.
*
Diet effect.
a,b
Different letters in the same row are statistically different by the Chi-square test (p<0.05).