Table 5 Comparison of hatchability and hatch of fertile eggs

Group Chicks hatched(n) Mid-dead eggs(n) Infertile eggs(n) Fertility rate(%) Hatchability(%) Fertile eggs hatched(%)
Control1) 122 19 9 94.00 86.52 92.05
ClO2(g) 80 ppm2) 119 22 9 94.00 84.40 89.78
ClO2(g) 160 ppm2) 96 46 8 94.67 67.61 71.41
1) Formaldehyde fumigation (20 min).
2) Applied for 30 min.