Table 5.
Effects of stocking density on serum endocrine hormones of broilers.1
| Items2 | LSD | MSD | HSD | P-value |
|---|---|---|---|---|
| CORT (nmol/L) | 74.40b±0.27 | 71.32b±1.06 | 83.11a±5.22 | <0.01 |
| T4 (ng/mL) | 69.41a±2.84 | 62.76a±6.90 | 49.39b±3.11 | 0.01 |
| T3 (ng/mL) | 1.38±0.28 | 1.08±0.06 | 1.23±0.24 | 0.20 |
LSD, low stocking density (6.25 birds/m2); MSD, medium stocking density (12.50 birds/m2); HSD, high stocking density (18.75 birds/m2).
a,b
Means within a column with different superscripts are different at P < 0.05.
1
All means reported as means ± SD (n = 12).
2
CORT, corticosterone; T4, thyroxine; T3, 3,5,3'-triiodothyronine.