Table 1. Changes in the air sac volume (mm) of coated eggs during 42 days of storage at room temperature

Storage periods	Day 0	Day 14	Day 21	Day 28	Day 35	Day 42
Non coated	0.76 ± 0.05	1.12 ± 0.02	1.90 ± 0.08	2.10 ± 0.1	3.35 ± 0.2	5.39 ± 0.3
Mineral oil	0.76 ± 0.05	1.04 ± 0.3	1.08 ± 0.3	1.15 ± 0.08	1.12 ± 0.08	1.19 ± 0.2
“Boomi” wax coated	0.76 ± 0.05	1.76 ± 0.03	1.99 ± 0.1	2.12 ± 0.1	3.01 ± 0.1	4.59 ± 0.2
“Dawul kurundu” wax coated	0.76 ± 0.05	1.30 ± 0.05	1.44 ± 0.1	2.20 ± 0.1	3.26 ± 0.1	3.27 ± 0.3