Table 2 The effect of TC (42 °C for 6 h; posthatch day 28) during 4 time terminals (at the beginning and after 1, 3 and 5 h of TC) on plasma free and bound thyroid hormones (T₃ and T₄) of broiler chicks subjected to different TM protocols at ED 12–18 (n = 5)

3.63 ± 0.16 ^aw

2.66 ± 0.29 ^bw

2.70 ± 0.11 ^bw

2.65 ± 0.13 ^bw

2.60 ± 0.16 ^bw

2.43 ± 0.28 ^ax

1.33 ± 0.16 ^bx

1.32 ± 0.29 ^bx

1.79 ± 0.25 ^bx

1.65 ± 0.28 ^bx

2.47 ± 0.20 ^ax

1.47 ± 0.14 ^bx

1.40 ± 0.31 ^bx

1.79 ± 0.15 ^bx

1.67 ± 0.16 ^bx

2.81 ± 0.30 ^ax

1.41 ± 0.14 ^bx

1.42 ± 0.27 ^bx

1.72 ± 0.12 ^bx

1.81 ± 0.23 ^bx

4.05 ± 0.01 ^aw

3.90 ± 0.29 ^aw

3.75 ± 0.35 ^aw

3.68 ± 0.54 ^aw

3.34 ± 0.37 ^aw

3.57 ± 0.51 ^aw

3.68 ± 0.78 ^aw

3.57 ± 0.23 ^aw

3.79 ± 0.24 ^aw

3.54 ± 0.28 ^aw

3.50 ± 0.53 ^aw

3.62 ± 0.78 ^aw

3.96 ± 0.03 ^aw

3.96 ± 0.59 ^aw

3.65 ± 0.60 ^aw

3.94 ± 0.40 ^aw

3.89 ± 0.89 ^aw

3.76 ± 0.07 ^aw

3.79 ± 0.33 ^aw

3.67 ± 0.91 ^aw

0.21 ± 0.12 ^aw

0.29 ± 0.14 ^aw

0.34 ± 0.12 ^aw

0.30 ± 0.13 ^aw

0.38 ± 0.18 ^aw

0.69 ± 0.10 ^ax

0.69 ± 0.16 ^ax

0.40 ± 0.13 ^ax

0.50 ± 0.12 ^ax

0.51 ± 0.13 ^ax

0.52 ± 0.13 ^ax

0.58 ± 0.14 ^ax

0.59 ± 0.21 ^ax

0.58 ± 0.17 ^ax

0.56 ± 0.11 ^ax

0.54 ± 0.12 ^ax

0.51 ± 0.13 ^ax

0.56 ± 0.11 ^ax

0.56 ± 0.11 ^ax

0.55 ± 0.11 ^ax

2.56 ± 0.13 ^aw

2.19 ± 0.45 ^aw

2.87 ± 0.61 ^aw

2.65 ± 0.42 ^aw

2.82 ± 0.60 ^aw

2.56 ± 0.46 ^aw

2.88 ± 0.17 ^aw

2.67 ± 0.32 ^aw

2.86 ± 0.55 ^aw

2.62 ± 0.20 ^aw

2.02 ± 0.57 ^aw

2.71 ± 0.47 ^aw

2.71 ± 0.23 ^aw

2.33 ± 0.51 ^aw

2.78 ± 0.25 ^aw

2.98 ± 0.54 ^aw

2.30 ± 0.34 ^aw

2.94 ± 0.16 ^aw

2.95 ± 0.01 ^aw

2.45 ± 0.41 ^aw