Table 1. pH and proximate composition of chicken breast of broilers slaughtered without pre-stunning or with gas stunning

Parameters Slaughter without pre-stunning (Halal) Slaughter with gas stunning
CO2 N2
pH  6.03±0.09b  6.14±0.08a  6.08±0.08ab
Proximate composition
  Moisture content (%) 75.45±0.45 75.19±0.46 75.37±0.37
  Protein content (%) 22.96±0.30 23.21±0.41 23.10±0.53
  Fat content (%)  1.35±0.28  1.18±0.14  1.30±0.31
  Ash content (%)  1.05±0.08  1.01±0.04  1.01±0.04
  Collagen content (%)  1.24±0.20  1.09±0.24  1.23±0.27
Means in same rows with different letters are significantly different (P<0.05).