Table 4. pH and color parameter of small intestine of broilers slaughtered without pre-stunning or with gas stunning

Parameters Slaughter without pre-stunning (Halal) Slaughter with gas stunning
CO2 N2
pH 6.11±0.05b 6.24±0.08a 6.15±0.05b
Color parameter
Fresh CIE L* (lightness) 61.77±0.90a 56.09±1.10c 58.97±0.79b
CIE a* (redness) 10.79±0.68c 15.53±0.78a 12.47±0.27b
CIE b* (yellowness) 11.61±2.03c 17.95±1.21a 14.00±1.87b
Cooked CIE L* (lightness) 68.33±1.11a 62.97±1.15c 65.23±2.15b
CIE a* (redness)  5.84±0.94c  9.69±1.51a  7.60±1.57b
CIE b* (yellowness) 16.31±1.34c 20.80±2.27a 17.99±1.43b
Means in same rows with different letters are significantly different (P<0.05).