Table 1.
HH stage | Japanese quail | Chick (Hamburger & Hamilton, 1951) | Bobwhite quail (Hendrickx & Hanzlik, 1965) | Japanese quail (Sellier et al. 2006) |
---|---|---|---|---|
4 | 18–19 h | 18–19 h | 18 h | |
5 | 19–22 h | 19–22 h | ||
6 | 23–25 h | 23–25 h | 24 h | |
7 | 23–26 h | 23–26 h | ||
8 | 26–29 h | 26–29 h | ||
9 | 29–33 h | 29–33 h | 30 h | |
10 | 33–38 h | 33–38 h | ||
11 | 40–45 h | 40–45 h | ||
12 | 45–49 h | 45–49 h | 36 h | |
13 | 48–52 h | 48–52 h | 42 h | |
14 | 50–53 h | 50–53 h | 48 h | |
15 | 50–55 h | 50–55 h | 54 h | |
16 | 51–56 h | 51–56 h | ||
17 | 52–64 h | 52–64 h | 60–66 h | |
18 | 72 h | 72 h | ||
19 | 3 days | 3–3.5 days | 72 h | |
20 | 3.5 days | 3–3.5 days | ||
21 | 3.5 days | 3.5 days | ||
22 | 4 days | 3.5–4 days | ||
23 | 4 days | 4 days | ||
24 | 4 days | 4 days | 5 days | |
25 | 4.5 days | 4.5 days | 6 days | |
26 | 4.5–5 days | 4.5–5 days | 7 days | |
27 | 5 days | 5 days | 8 days | |
28 | 5.5 days | 5.5 days | 9 days | |
29 | 5.5–6 days | 6 days | 10 days | |
30 | 6–6.5 days | 6.5 days | 11 days | |
31 | 6.5 days | 7 days | 12 days | |
32 | 7 days | 7.5 days | 13 days | |
33 | 7 days | 7.5–8 days | 14 days | |
34 | 7.5 days | 8 days | 15 days | |
35 | 8–8.5 days | 8–9 days | 16 days | |
36 | 8–9 days | 10 days | 17 days | |
37 | 9.5 days | 11 days | 18 days | |
38 | 9.5–10 days | 12 days | 19 days | |
39 | 10.5–11 days | 13 days | 20 days | |
40 | 11 days | 14 days | 21–22 days | |
41 | 11.5 days | 15 days | 23 days (hatching) | |
42 | 12–13 days | 16 days | ||
43 | 14 days | 17 days | ||
44 | 15–16 days | 18 days | ||
45 | 16–16.5 days | 19–20 days | ||
46 | 16.5 days (hatching) | 20–21 days (hatching) |
All stages are presented as time of incubation.