—— 养殖技术 ——

—— 养殖技术 ——

集祖代和父母代种鸡饲养、种蛋孵化、雏鸡销售、技术服务于一体的蛋种鸡企业

罗曼灰

罗曼褐

罗曼粉

疾病预

养殖注意事项

各纬度自然昼光

全年周数 自然白昼大概时长（小时）
半球 纬度
北半球 南半球 25-30 30-35 35-40 40-45 45-50 50-55 55-60 60-65
1 27 10.3 10.1 9.4 9.1 8.3 8 6.4 5
2 28 10.3 10.1 9.4 9.2 8.4 8.1 6.5 5.4
3 29 10.4 10.2 10 9.3 8.5 8.2 7.2 6
4 30 10.4 10.3 10.1 9.4 9.1 8.4 7.5 6.4
5 31 10.5 10.4 10.2 10 9.3 9 8.2 7.2
6 32 11 10.5 10.3 10.1 10 9.3 9 8.1
7 33 11.1 11 10.4 10.3 10.2 10 9.2 9
8 34 11.2 11.1 11 10.5 10.4 10.2 9.5 9.3
9 35 11.3 11.3 11.2 11.1 11 10.5 10.4 10.1
10 36 11.4 11.4 11.4 11.3 11.3 11.2 11.2 11
11 37 11.5 11.5 12 11.5 11.5 11.5 12 11.4
12 38 12.1 12.1 12.1 12.1 12.1 12.2 12.2 12.2
13 39 12.2 12.2 12.3 12.3 12.4 12.4 13 13
14 40 12.3 12.4 12.5 12.5 13 13.1 13.3 13.5
15 41 12.4 13 13 13.2 13.2 13.4 14.1 14.4
16 42 12.5 13.1 13.2 13.3 13.4 14.2 14.5 15.2
17 43 13 13.2 13.3 13.5 14 14.3 15.1 16
18 44 13.1 13.3 13.5 14 14.3 15 15.4 16.5
19 45 13.2 13.4 14 14.2 14.5 15.2 16.2 17.3
20 46 13.3 13.5 14.2 14.4 15.1 15.5 16.5 18.1
21 47 13.4 14 14.3 15 15.3 16.1 17.2 18.5
22 48 13.4 14.1 14.4 15.1 15.3 16.2 17.4 19.2
23 49 13.5 14.1 14.4 15.1 15.4 16.3 18 19.5
24 50 13.5 14.2 14.4 15.2 15.4 16.4 18.1 20.1
25 51 13.5 14.2 14.4 15.2 15.5 16.4 18.1 20.2
26 52 13.5 14.2 14.4 15.2 16 16.4 18.1 20.1
27 1 13.5 14.2 14.4 15.1 15.5 16.3 18 19.5
28 2 13.5 14.2 14.4 15.1 15.5 16.2 17.4 19.2
29 3 13.4 14.2 14.3 15.1 15.3 16.1 17.2 18.4
30 4 13.3 14 14.2 14.4 15.2 15.5 16.5 18.1
31 5 13.3 13.5 14.1 14.3 14.5 15.3 16.2 17.3
32 6 13.2 13.3 13.5 14.1 14.3 15 15.5 16.5
33 7 13.1 13.2 13.4 13.5 14.1 14.3 15.1 16
34 8 13 13.1 13.2 13.3 13.5 14 14.5 15.2
35 9 12.5 13 13.1 13.2 13.3 13.4 14.1 14.5
36 10 12.4 12.4 12.5 13 13.1 13.2 13.4 14
37 11 12.3 12.3 12.3 12.4 12.4 12.5 13 13.1
38 12 12.3 12.1 12.1 12.1 12.1 12.2 13.2 12.2
39 13 12.1 12 12 11.5 11.5 12 11.5 11.5
40 14 11.5 11.5 11.4 11.3 11.3 11.2 11.1 11
41 15 11.4 11.3 11.2 11.2 11 10.5 10.4 10.2
42 16 11.3 11.2 11.1 11 10.4 10.3 10.1 9.5
43 17 11.2 11.1 11 10.4 10.2 10 9.3 9
44 18 11.1 11 10.4 10.2 10 9.4 9 8.1
45 19 11 10.4 10.2 10 9.4 9.1 8.2 7.3
46 20 10.5 10.3 10.1 9.4 9.2 8.5 7.5 6.5
47 21 10.4 10.2 10 9.3 9 8.3 7.3 6.1
48 22 10.3 10.1 9.5 9.2 8.4 8.1 7 5.4
49 23 10.2 10.1 9.4 9.1 8.3 8 6.5 5.1
50 24 10.2 10 9.4 9 8.2 7.5 6.3 4.5
51 25 10.2 10 9.4 9 8.2 7.4 6.3 4.4
52 26 10.2 10 9.4 9 8.2 7.5 6.3 4.4