养殖技术
Breeding Technology
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
各纬度自然昼光
分类：
养殖注意事项
2019/04/08 10:13
浏览量
【摘要】：
| 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 |
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