TABLE 4.
Duodenal morphology at day 42 of age in Ross 308 male broilers (n = 24) fed different levels of green tea extract (GTE) or powder (GTP), neutral control (NC) or positive control (PC)
Treatment | Villus length (μm) | Villus width (μm) | Crypt depth (μm) | Villus length to crypt depth ratio | Thickness of epithelium (μm) | Number of goblet cells in epithelium |
---|---|---|---|---|---|---|
NC | 1700d | 148c | 321a | 5.31c | 41.8a | 5 |
PC | 1910d | 170bc | 270b | 7.08c | 30.1c | 8 |
GTE0.2 | 2393abc | 197a | 231bc | 10.42ab | 35.3b | 10 |
GTE0.3 | 2390ab | 199a | 213c | 11.36ab | 34.2b | 13 |
GTE0.4 | 2443a | 213a | 200c | 12.31a | 33.3b | 15 |
GTP1 | 2310bc | 193ab | 233bc | 10.01b | 34.3b | 11 |
GTP2 | 2320bc | 191ab | 239bc | 7.79b | 34.1b | 11 |
GTP3 | 2290c | 188ab | 240bc | 9.56b | 33.3b | 11 |
p Value | 0.0001 | 0.001 | 0.0002 | 0.0001 | 0.002 | 0.35 |
SEM (standard error of mean) | 53.35 | 4.57 | 8.24 | 0.486 | 0.69 | 0.93 |
Means within each column with common superscript do not differ significantly at p < 0.05.
NC: negative control; PC: positive control; GTE: green tea extract; GTP: green tea powder.