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Table 2 The effect of thermal manipulation (TM) on hatchability in broiler chicks subjected to different thermal manipulation treatments during embryogenesis

From: Thermal manipulation of the broilers embryos: expression of muscle markers genes and weights of body and internal organs during embryonic and post-hatch days

Parameters Groups
  Control TM1 TM2 TM3 TM4
Non-hatched eggs 38 (16.24%) 41 (16.27%) 42 (16.67%) 62 (22.46%) 64 (23.03%)
Total (hatch) 196/234 211/252 210/252 214/276 214/278
Hatchability % 83.76a 83.73a 83.33a 77.53b 76.97 b
  1. a-b Within the same ED, means ± SD with different superscripts differ significantly (P < 0.05)