Table 5.
Effect of organic acids on intestinal morphology of broilers with and without coccidial challenge
| Treatments1 | C.C2 | Measurements3 | |||||||
|---|---|---|---|---|---|---|---|---|---|
| VH | CD | VH:CD | GC | ||||||
| 18d | 29d | 18d | 29d | 18d | 29d | 18d | 29d | ||
| µm | µm/µm | NO./mm2 | |||||||
| CON | − | 1077.5 | 1269.4 | 176.3 | 213.8 | 6.35 | 6.00 | 1983.6 | 1727.8 |
| OAW | − | 1087.6 | 1181.3 | 190.2 | 220.0 | 5.95 | 5.41 | 1786.0 | 1470.8 |
| OAF | − | 1082.4 | 1191.0 | 167.6 | 197.4 | 7.13 | 6.23 | 1866.5 | 1609.4 |
| CONC | + | 1273.7 | 1014.0 | 247.8 | 257.7 | 5.29 | 4.06 | 1514.1 | 1831.8 |
| OAWC | + | 1084.0 | 1168.5 | 237.8 | 251.9 | 4.72 | 4.77 | 1718.7 | 1716.4 |
| OAFC | + | 998.4 | 1200.9 | 217.1 | 255.5 | 4.86 | 4.78 | 1511.5 | 1710.7 |
| SEM | 75.5 | 81.6 | 27.6 | 20.6 | 0.59 | 0.40 | 106.0 | 159.2 | |
| Main effect means | |||||||||
| CON | 1175.6 | 1141.7 | 212.0 | 235.8 | 5.82 | 5.03 | 1748.8 | 1779.8 | |
| OAW | 1085.8 | 1174.9 | 214.0 | 236.0 | 5.34 | 5.09 | 1752.4 | 1593.6 | |
| OAF | 1040.4 | 1195.9 | 192.3 | 226.4 | 6.00 | 5.50 | 1689.0 | 1660.1 | |
| C.C | − | 1082.5 | 1213.9 | 178.0b | 210.4b | 6.48a | 5.88a | 1878.7a | 1602.7 |
| + | 1118.7 | 1127.8 | 234.2a | 255.0a | 4.96b | 4.54b | 1581.4b | 1753.0 | |
| P-value | Diet | 0.211 | 0.801 | 0.691 | 0.871 | 0.519 | 0.453 | 0.799 | 0.505 |
| C.C | 0.562 | 0.209 | 0.02 | 0.014 | 0.004 | 0.001 | 0.002 | 0.259 | |
| Diet × C.C | 0.183 | 0.218 | 0.892 | 0.818 | 0.547 | 0.284 | 0.17 | 0.875 |
1CON Control diet, OAW Organic acid in water, OAF Organic acid in feed, CONC Control diet with Coccidial challenge, OAWC Organic acid in water with Coccidial challenge; and OAFC Organic acid in feed with Coccidial challenge
2C.C = Coccidial Challenge
3Villus height (VH); Crypts Depth (CD); Villus Height to Crypt depth ratio (VH:CD); and Goblet cell (GC)
a, bMean within each column with no common superscript differ significantly (P < 0.05)