The lighting technology has been accepted and adopted by chicken farmers. To ensure the effectiveness of the technology, one principle should be mastered, two key points should be grasped, three key points should be grasped, and four links should be observed to establish an overall lighting program.
(1) Principle: The time and intensity of light must be consistent with the body maturity, sexual maturity, and production stage of the chicken.
(2) Pass: The chicken should not be prolonged by the light during the growth period, and the light can not be shortened during the production period. The light should be evenly distributed and the reflection should be normal. The intensity (in addition to the light time, the lamp power, quantity, distance, color) Etc.) To be appropriate.
(3) Key: The light duration, growth period is generally 8 h / d, should not exceed 11 h / d; egg production period up to 14 h / d ~ 16 h / d. Light intensity, growth period is 5 lx ~ 10 lx (bulb is 2 m high from the ground, a 40 W bulb with a good reflector is installed every 15 m2 in the house, the light intensity of the chicken is 10 lx), preferably The egg period is 10 lx. The distance between the bulbs should be 1.5 times the height of the bulb from the ground, and the distance between the lamp and the wall should be 1/2 of the bulb spacing. The color of the light is generally white in large chickens and red in chickens.
(4) Link: According to the lighting time needed by the chicken minus the natural daylight hours of the local day, how much is the difference between the daylight hours and the daylight hours? Supplemental lighting is best supplemented once in daylight; shortening the lighting time can be achieved by covering the house with a curtain. Illumination intensity control methods are flexible, such as increasing or decreasing the number of bulbs, replacing bulbs with different power, adjusting voltage, etc. Every time you turn on or turn off the light, the light should gradually turn from dark to light, brighten and dim, let the chicken adjust slowly, and prevent the chicken from being frightened and cause stress. ? Chickens are sensitive to the color of the light source and should be given enough attention. For example, under red light, the chicken tends to be quiet, with few quails, slightly late in maturity, slightly increased egg production, but low fertilization rate; yellow light delays sexual maturity and reduces egg production (but increases egg weight)啄癖 , 啄癖 啄癖 啄癖 啄癖 啄癖 啄癖 啄癖 啄癖 啄癖 啄癖 啄癖 啄癖 啄癖 啄癖 啄癖 啄癖 啄癖 啄癖 。 啄癖 啄癖 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。.
(5) The overall lighting program: Layers from the day of hatching to 3 days of age, lighting time of 23 h, light intensity remained at 10 lx; ​​chickens at the age of 4 days to 14 days, the light time is 18 h, light The intensity is 5 lx; after that, the weekly light time is shortened by 2 h until all natural lighting is used (in the breeding period, the light method can be used to shorten the illumination time appropriately). When chickens are 18 weeks to 21 weeks old, they need to increase the illumination time 0.5 hours per week. After 22 weeks of age, the chickens increase 0.5 h every 2 weeks, and the total light time is 15 h to 16 h at the peak of egg production. The final 4 weeks of the laying period can increase to 17 h. The light intensity is 10 lx. should. The principle of lighting the broilers is to ensure that their normal activities, feeding and drinking water are prevailing. Light is not required to be too strong, and dim light is preferred. Red light bulbs may be used to light the house. Each house uses 18 m2 to 20 m2. 15 W to 25 W bulb. The chicks were lighted overnight before 4 weeks of age; over 4 weeks old, turned off after night feeding, and used natural light during the day.
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