Illumination is an important factor that affects the laying of laying hens. To manually supplement lighting, note the following:
Lighting should be stable to add layer to the layer of light from the general start of 19 weeks of age, light time from short to long, with half an hour per week is appropriate. When the daily light time reaches 16 hours, stable light should be maintained, not for a short period of time. The best way is to supplement light every morning and evening.
The intensity should be suitable for normal laying hens, the required light intensity is generally 2.7 watts. Multi-layer cage chicken sheds are provided with sufficient illuminance for the bottom layer, and the illuminance at the time of design should be increased, typically 3.3 watts to 3.5 watts per square meter.
The illuminance should be evenly installed in the chicken house should be 40 watts to 60 watts is appropriate, the general lamp height of 2 meters, 3 meters away from the light. If two or more rows of light bulbs are installed inside the house, they should be arranged crosswise. The distance between the light bulb against the wall and the wall should be half the space between the bulbs. Attention should also be paid to replacing damaged light bulbs at any time. Wipe the light bulbs once a week to make the inside of the house Keep proper brightness.
It is appropriate to use different colors of red light and different wavelengths. Tests have shown that under the same conditions, hens reared under red light have a higher egg production rate than hens under light of other colors.
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