Table 11 Sensory test of raw eggs by ageTable 11. Sensory test of raw eggs by age (Unit: %)

Age Eggs Egg shell color1 Egg shell texture2 Fishy3 Freshness4 Comprehensive satisfaction5
20s(n=15) Conventional 4.00 3.27 4.60 3.47 3.60
Animal welfare 3.07 3.00 4.47 3.60 3.60
P-value 0.000 0.433 0.164 0.709 1.000
30s(n=15) Conventional 3.94 3.53 4.12 3.76 3.76
Animal welfare 3.00 3.29 4.00 3.65 3.65
P-value 0.000 0.410 0.431 0.696 0.632
40s(n=15) Conventional 3.76 3.65 4.24 3.65 3.47
Animal welfare 2.65 3.29 4.29 3.88 3.88
P-value 0.000 0.163 0.718 0.509 0.219
50s(n=15) Conventional 4.00 3.67 3.83 3.56 3.83
Animal welfare 2.67 3.22 3.94 3.83 3.78
P-value 0.000 0.016 0.695 0.491 0.884
Corresponding sample t-test result.1 Egg shell color is from 1 point (very light) to 5 point (very deep) (the higher the darkness).2 Egg shell texture is from 1 point (very rough) to 5 point (very smooth), and the results (the higher the smoothness).3 Egg odor is from 1 point (very strong) to 5 point (very weak) (the higher the weakness).4 Freshness is from 1 point (not completely fresh) to 5 point (very fresh) (the higher the freshness).5 Comprehensive satisfaction is from 1 point (not satisfied at all) to 5 point (very satisfied) (the higher the satisfaction).