Table 5 The jejunal histomorphology of broilers on d 21
Item | Villus height, μm | Crypt depth, μm | Villus height: Crypt depth |
|---|---|---|---|
CTL | 1055.81 | 129.02 | 8.13 |
LA | 1160.26 | 169.4 | 6.87 |
CLG | 875.04 | 161.96 | 5.64 |
CLG + LA | 1034.86 | 180.23 | 5.84 |
SEM | 37.187 | 6.475 | 0.289 |
Main effects | |||
C. perfringens challenge | |||
 Negative | 1108.03 | 149.21 | 7.50 |
 Positive | 954.95 | 171.10 | 5.74 |
L. acidophilus | |||
 No addition | 965.43 | 145.49 | 6.89 |
 Addition | 1097.56 | 174.82 | 6.36 |
P-value | |||
C. perfringens challenge | 0.030 | 0.059 | 0.001 |
L. acidophilus | 0.057 | 0.014 | 0.238 |
C. perfringens challenge × L. acidophilus | 0.677 | 0.325 | 0.111 |