Table 2 The time of embryonic death depending on the duration of the egg storage time before incubation
From: Hatching performance of Japanese quail from eggs stored for different periods - a preliminary study
Day of storage | N | Time of embryonic death (day) | χ2-test (P-value) | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
< 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | |||
0 | 1 | 1 | 0.999 | |||||||||||
4 | 2 | 1 | 1 | 0.327 | ||||||||||
8 | 3 | 1 | 1 | 1 | 0.006 | |||||||||
12 | 2 | 1 | 1 | 1.000 | ||||||||||
16 | 9 | 2 | 1 | 1 | 2 | 3 | 0.868 | |||||||
20 | 6 | 2 | 2 | 2 | 0.966 | |||||||||
24 | 11 | 7 | 1 | 1 | 2 | 0.614 | ||||||||
28 | 19 | 2 | 1 | 3 | 3 | 10 | 0.606 | |||||||
32 | 17 | 2 | 1 | 3 | 2 | 9 | 0.129 | |||||||
36 | 12 | 4 | 1 | 1 | 1 | 3 | 2 | 0.446 | ||||||
40 | 9 | 2 | 1 | 1 | 2 | 3 | 0.790 | |||||||
44 | 3 | 3 | 0.996 | |||||||||||
48 | 1 | 1 | 0.996 | |||||||||||
52 | 1 | 1 | 0.999 | |||||||||||
Frequency (%) | 28 | 2 | 3 | 1 | 2 | 1 | 4 | 5 | 4 | 3 | 10 | 35 | < 0.001 | |