Table 2. Color characteristic 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
CIE L* (lightness) 57.28±2.56 55.16±3.17 57.87±2.81
CIE a* (redness)  2.90±0.76  2.88±0.60  2.41±0.70
CIE b* (yellowness)  6.76±1.09  5.61±1.55  6.86±1.49