How to reduce the light time in the first few weeks of raising chickens

Sunlight time in the first few weeks of raising chickens.

1) 24 hours of light is used in the first 3 days after the hatching, 23 hours of light per day at the age of 4-10 days, 1 hour of darkness, 20-22 hours of light per day after 11 days of age, and then 4 hours of darkness need to be gradual and gradual, not controlled at once, this method can make the broiler have sufficient rest time, the feed utilization rate is high, the growth rate of the broiler is appropriate, and the incidence of ascites and sudden death in broiler chickens can be greatly reduced; The length of light control in this method needs to be determined according to the specific situation of your chicken. Light control is not material control, because 24 hours a day, 4-5 hours to turn off the light does not affect the amount of food eaten throughout the day.

2) After 30 days of age, during the fattening period, the material is generally not controlled, and the light control also needs to be reduced, and it is not empty! Chickens need a slow process, generally from 28 days old from the original 5-6 hours to 1-2 hours of light control.

Pay attention to the principles: 1) Step by step.

2) Be sure to fix the light control time point to control the light, turn off the light at 7:30 p.m. today, the same tomorrow, the same the day after tomorrow, and so on, but the length of the light control time is different.

Summary: By controlling the light and limiting the feeding method, the resistance of the chickens can become stronger, because the chickens have been in a state of grabbing food, then the principle of survival of the fittest will make the survival of the fittest, and the chickens will enhance their physique to adapt. It will greatly reduce the incidence of ascites, reduce the occurrence of sudden death, reduce the morbidity rate in the later stage, and reduce the material ratio.

But there is also a disadvantage in this way, that is, in a limited number of competitive environments, the strong are stronger, and the weak are weaker. The solution is to place enough drums, add all troughs at the beginning of the control, and gradually increase the distance between troughs as the group expands.

1) 23 hours of light every day, 1 hour in the dark, this method is to make the chicks adapt to the dark environment, in order to prevent lighting failures, causing chickens to frighten, this method can prevent accidents, and does not affect the growth of broilers, so farmers are advocated to adopt this method. (2) 24 hours of light is used in the first 3 days after the hatching, 18 hours of light per day after 4 days of age, and 6 hours of darkness are used, this method can make the broiler have sufficient rest time, the feed utilization rate is high, and the growth rate of the broiler is appropriate, which can greatly reduce the incidence of ascites and sudden death in broilers; (3) the first week of brooding with 23 hours of light, 1 hour of darkness, digging deficit from the second week to implement intermittent lighting, that is, turn on the light feeding, chickens eat and drink water after the lights off rest, the use of this method should pay attention to each time to turn on the light to make the chickens only enough time to eat, to prevent intermittent lighting and affect feed intake, resulting in uneven growth and development of chickens, weak chicks increase, intermittent light and dark time than usual use 1 hour of light: 3 hours dark method, because this method is more in line with the law of feeding and digestion of broilers, Avoid problems such as insufficient feeding time due to short light hours or long-term dark light causing broiler hunger.

In addition, there are many other ways to use intermittent light, and farmers can choose the appropriate light program according to the situation. Like laying hens, when the broiler house turns on and off the lights, due to the sudden light and darkness, there will be a certain amount of stress on the chickens, causing the chickens to be frightened to a certain extent. Therefore, if possible, the lamp can be equipped with a fade-out and fade-out device, and it takes about 5 minutes to gradually dim the lamp to tell God or gradually reach normal brightness.

Generally, it takes about a week to determine the room temperature.

Rational use of light can enable chicken farmers to obtain the greatest economic benefits. Chicken breeders should be the same as feed, drinking water of chickens, reasonable adjustment of use, such as the rational use of artificial light or artificial shading, change the light intensity, light time and light chromaticity, etc., effectively control the growth and development of chickens, feathering, moulting, nesting, regulate the sexual maturity of chickens, prevent and reduce the occurrence of chicken pecking, etc., improve the production performance of chickens and the economic benefits of raising chickens.

Chickens are more sensitive to vision, and can see light with a wavelength of 400 nm to 770 nm, which is basically the same as the wavelength of light visible to the human eye (red, orange, yellow, green, cyan, blue, violet) with a wavelength of 400 nm to 760 nm. Chickens also have a sense of color for light chromaticity, especially under red, orange and yellow light. Experiments have shown that the use of different light chromaticity can change the feeding intake, growth performance, pecking and sexual function of chickens.

Red light can delay the sexual maturity of chickens, make the flock quiet, reduce pecking, and increase egg production, but the fertilization rate decreases;

Yellow light can reduce the feed remuneration of chickens, delay sexual maturation, increase egg weight, reduce egg production, and increase pecking.

Green light can increase the weight gain rate of chickens, accelerate sexual maturity, and improve the fecundity of roosters;

Blue light can promote the sexual maturity of chickens, increase the rate of weight gain, enhance the breeding ability of roosters, and reduce pecking habits.

Light time and its light intensity will also have different effects on chickens, long-term light can promote the sexual maturity of chickens, prevent chicken moulting, such as increasing light in winter and spring can improve the egg production of chickens; Short-term, low-intensity light is conducive to the accumulation of body fat during the fattening period of chickens, which is beneficial to the fattening of chickens. Therefore, appropriate light has an important impact on the life activities, material metabolism and production performance of chickens. Therefore, chicken breeders should reasonably adjust the use of light according to the chickens fed in different production periods, and maintain the relative stability of light time and light intensity, so as to maximize the production performance of chickens and improve the economic benefits of raising chickens.

Raising chickens is a key part of chicken production. Although brooding can be done throughout the year, there are significant differences in brooding effect and farrowing rate in different brooding seasons. Therefore, choosing the right brooding time is the premise of doing a good job in raising chickens.

In general, the choice of incubation time should be based on brooding conditions and adult productivity. The equipment is in poor condition, the management is extensive, the main goal is to take into account the natural climatic conditions, if the incubation conditions are good and well managed, the main goal is to pursue productivity in adulthood. In order to choose a good incubation time, the advantages and disadvantages of each incubation period are described below.

1. Spring chicks. Chicks that hatch from March to mid-April are called spring young. During this period, the climate is warm, which is very favorable for hatching, and the survival rate of chicks is high.

New chickens can start production in August and September, which can make up for the shortage of fresh eggs in the off-season market, and the economic value is high; The first organism lays eggs for a long time, and the feathers can be changed until September of the second year, and considerable reproductive benefits can be obtained. However, the climate in March is still very low, heating and hydration are required, and incubation costs are higher.

Second, late spring chicks. Chicks that hatch between late April and May are called late spring chicks. During this period, the climate is warm, the management is convenient, the survival rate of chicks is higher, the ** of chicks is also lower, it is also convenient to select excellent individuals, and the cost of hatching eggs is low.

Between late September and October, new chickens are still in the feather change season, and the first biological laying year is longer.

3. Mildew rain chicks. The high temperature and humidity in June is not conducive to hatching, and the incidence of coccidia is high, which seriously affects the survival rate of chicks. When it comes to the incubation stage, just in the hot summer, mosquito bites are extremely unfavorable to growth and development; After winter, the climate is cold, the sunshine time is short, it is difficult for new chickens to start at the right time, and it is generally necessary to wait until the spring of the second year to lay eggs, and the first biological egg laying year is only about half a year, and the opening period is just in time for the peak period of fresh eggs in the market, and the economic value is low.

Fourth, summer chicks. Chicks that hatch in July and August are called summer chicks. The temperature is high in summer, the breeding chickens are weak, and the vitality of the hatching chicks is poor, and the mosquitoes are seriously harmed at this time, which is not conducive to the growth and development of the chicks, and it is easy to give birth to rigid chickens; New chickens do not begin to produce until the beginning of the spring of the following year, and the first organism has a short egg laying year and poor reproductive efficiency, so it is generally not used.

5. Autumn chicks. Chicks that hatch from September to November become autumn chicks. Autumn is fresh and the climate is dry, suitable for chick growth, and the survival rate is high.

New chickens will be able to lay eggs at the beginning of the spring with a higher egg production rate. However, since the chicken body is not fully developed and matured to start laying eggs, the eggs are small and take a long time to reach the standard egg weight, and by the autumn feathering stop laying eggs, the first biological egg laying year is very short.

Sixth, winter chicks. Chickens that hatch between December and February are called winter chicks. The winter climate is cold, the temperature is long, and the incubation cost is high.

Chickens are bred indoors, lack sunlight and exercise, and require long incubation conditions and good management. However, the laying period of new chickens is earlier, which can start from May to July. Under good feeding and management conditions, they do not change their feathers during the year.

The first spawning year of an organism takes a long time and has a high economic value.

It is more suitable to raise it in summer and autumn.

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After half a month, there is no need to turn on the light, and the appropriate light and exercise time is: chicks within one week of age can be exposed to light 24 hours a day, and move for 10 to 20 minutes before and after each feeding. After a week, if the weather is clear and the temperature permits, natural light will be used during the day.

It is best to be able to bask in the sun once a day, head.

It is about half an hour in the sun for one or two days, and then gradually extended.

Before the age of 20 days, the chicks can be active for 6 7 hours a day, (including feeding time), after 20 days of age, sunny days can be active all day, but in the hot season of noon, it is advisable to take back the shading and rest for 2 3 hours.