Table 3.
Plasma hormone levels on 42-day-old chicks
| NN | PB-2 | |||||||
|---|---|---|---|---|---|---|---|---|
| CN | CHE | TCN | TCHE | CN | CHE | TCN | TCHE | |
| Tri-iodothyronine | 1.93 ± 0.22a | 1.27 ± 0.08b | 1.37 ± 0.09b | 1.44 ± 0.07b | 1.77 ± 0.2a | 1.31 ± 0.08b | 1.51 ± 0.15b | 1.34 ± 0.03b |
| Corticosterone | 2.25 ± 0.74c | 4.9 ± 0.46a | 2.64 ± 0.76bc | 4.35 ± 0.52b | 3.9 ± 1.16c | 6.66 ± 0.88a | 3.94 ± 1.00bc | 5.3 ± 1.22b |
a, bMean ± SE with different superscripts in a row and within a breed differ significantly (P < 0.05). Means of different treatments were compared with CN group in a breed