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Table 1 The effect of TC (41 °C for 6 h; Post- Hatch Day 14) during 4 time terminals (at 0, 1, 3 and 5 h of TC) on relative mRNA expression of Hsp108, Hsp90, HSF-1 and HSF-2 in the Muscle of broiler chicks subjected to different TM protocols at ED 12–18 (n = 5)

From: Basal and dynamics mRNA expression of muscular HSP108, HSP90, HSF-1 and HSF-2 in thermally manipulated broilers during embryogenesis

Parameters Groups Treatments
  Control TM1 TM2 TM3 TM4
Hsp108 TN 1.00 ± 0.02aw 2.96 ± 0.03bw 1.63 ± 0.01cw 1.53 ± 0.01cw 2.28 ± 0.03dw
  TC 1 4.87 ± 0.02ax 5.09 ± 0.08bx 6.37 ± 0.07cx 3.48 ± 0.08dx 11.9 ± 0.27ex
  TC 3 6.86 ± 0.12ay 8.98 ± 0.06by 6.80 ± 0.06 ay 8.33 ± 0.04by 6.22 ± 0.01cy
  TC 5 1.40 ± 0.03az 1.47 ± 0.05az 1.58 ± 0.06bw 1.24 ± 0.07cz 1.82 ± 0.04dz
Hsp90 TN 1.00 ± 0.01aw 2.90 ± 0.01bw 1.57 ± 0.02cw 1.35 ± 0.02dw 2.32 ± 0.03ew
  TC 1 5.10 ± 0.03ax 4.74 ± 0.06bx 6.15 ± 0.06cx 3.22 ± 0.06dx 12.1 ± 0.29ex
  TC 3 6.96 ± 0.32ay 8.54 ± 0.05by 6.54 ± 0.16ax 7.55 ± 0.04cy 6.06 ± 0.07dy
  TC 5 1.50 ± 0.06az 1.42 ± 0.04az 1.80 ± 0.01bw 1.35 ± 0.06aw 1.85 ± 0.05bz
HSF-1 TN 1.00 ± 0.02aw 1.07 ± 0.02aw 0.99 ± 0.01aw 1.36 ± 0.05bw 0.98 ± 0.02aw
  TC 1 0.56 ± 0.08ax 0.40 ± 0.07ax 1.61 ± 0.05bx 0.85 ± 0.04cx 2.84 ± 0.06dx
  TC 3 0.98 ± 0.02aw 0.93 ± 0.06ay 1.21 ± 0.05by 0.99 ± 0.03cx 0.95 ± 0.04cw
  TC 5 0.79 ± 0.01az 1.47 ± 0.05bz 1.01 ± 0.04cw 0.97 ± 0.02cx 1.28 ± 0.04dy
HSF-2 TN 1.00 ± 0.04aw 3.13 ± 0.07bw 1.48 ± 0.01cw 1.39 ± 0.03cw 2.09 ± 0.04dw
  TC 1 1.65 ± 0.04ax 1.21 ± 0.04bx 2.12 ± 0.06cx 1.26 ± 0.08bw 3.02 ± 0.05dx
  TC 3 1.55 ± 0.06ax 2.56 ± 0.08by 1.56 ± 0.07aw 1.71 ± 0.02cx 0.75 ± 0.02dy
  TC 5 0.29 ± 0.01ay 1.97 ± 0.06bz 2.41 ± 0.09cy 2.48 ± 0.08cy 1.67 ± 0.05dz
  1. TC Thermal challenged, TM thermal manipulation, TN Naїve (thermal-neutral). Control = 37.8°C; TM1 = Thermal manipulation at 38.5°C for 18 h; TM2 = Thermal manipulation at 39 °C for 18 h; TM3 = Thermal manipulation at 39.5°C for 18 h; TM4 = Thermal manipulation at 40 °C for 18 h
  2. a–ewithin rows, means ± SD with different superscripts differ significantly (P < 0.05)
  3. w-zBetween naïve and TC chicks within a parameter, means ± SD with different superscripts differ significantly (P < 0.05)