Light is one of the necessary environmental conditions for laying hens. The intensity, time and color of light are very important for chicken activities, metabolism, growth and productivity, especially for laying hens raised in layer battery cage equipment. Reasonable control of light can improve the production capacity of laying hens and the economic benefits of farmers.

1. The effect of light on laying hens

Light stimulates the hypothalamus directly through the skull or light through the nerve pathway of the nerve lobe. After the hypothalamus is stimulated, it secretes gonadotropin-releasing hormone, which reaches the anterior pituitary through the pituitary portal system, causing follicles The secretion of stimulating hormones and ovulation hormones promote the development of follicles and then ovulation. The developing follicles produce estrogen, which promotes the development and function of the hen’s fallopian tubes. At the same time, estrogen also promotes calcium metabolism to facilitate the formation of eggshells. Ovulation hormones Causes hens to ovulate. In a closed chicken house, no matter how nature changes day and night. The laying of eggs by hens is mostly concentrated in the first 2-7 hours of artificial light.

2. Control of lighting technology

1. Lighting time. The length of lighting time is closely related to the age of sexual maturity of chickens. Too short light time during the rearing period will delay sexual maturity, and too long time will lead to early sexual maturity.

2. Light intensity. Appropriate light intensity is conducive to the normal growth and development of chickens. Excessive light can make chickens irritable and cause severe pecking, prolapse or nervousness. The sudden increase in light intensity during the laying period can significantly increase the rate of cracked eggs, soft-skinned eggs, deformed eggs, and sudden death; low illumination can accelerate the deposition of body fat, but the illumination is too low. It will reduce the chicken's feed intake, reduce drinking water, hinder growth and development, and reduce egg production.

There are four ways to control the light intensity: one is to control the intensity by increasing or decreasing the number of bulbs; the other is to adjust the intensity by changing the bulbs of different power; the third is to control the intensity by adjusting the voltage; the fourth is to control the intensity by adjusting the spacing. But no matter how you adjust, each time you turn on and turn off the lights, you must gradually change from dark to bright, from bright to dark, to give the chickens an adaptation process to prevent frightening the flock. The distance between the bulbs should be 1.5 times the height of the bulb from the ground; the distance between the lamp and the wall should be half the distance between the bulbs, and the lamps between rows should be arranged in a staggered manner to obtain a more uniform lighting effect.

3. Light color. Laying hens are more sensitive to color. Chickens have better vision under red, orange and yellow light. Under red light, it tends to be quiet, with very few pecking habit, a little later in maturity, high feed reward, and egg production slightly increased; yellow light reduces feed reward, delayed sexual maturity, increased egg weight, decreased egg production, and increased pecking ; Green light can make sexual maturity earlier and weight gain faster; blue light can reduce hen egg production.

In the process of raising chickens, the temperature of the chicken battery cages is one of the important factors that can affect the health of the entire flock. Regardless of the type of chicken, the demand for temperature is very high, and a slight inadvertent disease can occur. The temperature required for different breeding stages of the flock is also different. Chicken farmers are required to breed according to this standard, and the flock can grow better and produce higher benefits. And the majority of chicken farmers can set the temperature from the performance of the flock, what is it?

1, group performance

The proper temperature is that the chickens are evacuated and even, the body is stretched, and some chickens breathe as evidence. If they are piled away from the heat source, the respiratory rate will increase, especially if the chest breathing is increased, and the temperature is too high; if it is near When the heat source is piled up and the respiratory rate is lowered, the temperature is too low. However, the premise of this testimony is that the humidity is appropriate and the flock is healthy. If these two premises are lacking, they cannot be fully referenced.

2, individual performance

If we enter the chicken cages for sale, we find that many chickens are stretched, and the neck hair is reversed, the head is tied down or the neck is lowered, and the pneumonia is caused by low humidity and high temperature. If the hand is under the wing and the abdomen is hot, then the relatively low temperature needs to be supplied. Conversely, if the hand feels cold and the legs are blue, it is necessary to provide a higher temperature.

When the temperature of the house is within the set temperature range, according to the temperature table of the chicken, normal ventilation should be carried out in the house to ensure that the air in the house is fresh. The proper temperature in the house can make the body better. Stretching, if you find that the flock is breathing too fast or too slow, there is a problem with raising the house. In addition, if the flock is low or the neck is stretched, the chicken farmers should pay attention. The temperature that is too high or too low will cause discomfort in the flock and pneumonia. In addition, the chickens can be removed and the cause of the disease can be found. The majority of the chicken farmers can judge according to the actual situation of their own breeding.

Higher temperatures in summer can lead to reduced appetite and reduced feed intake. As a result, the metabolic capacity of the chicken in layer battery cage, the nutrient intake of protein, vitamins and minerals is seriously insufficient, resulting in a decline in production performance. Therefore, dietary formula must be adjusted to meet heat stress. To meet the nutritional needs of chickens.

The caloric content of various nutrients varies greatly during digestion. Protein produces the most heat, and fat produces the least amount of heat. In order to reduce the heat dissipation burden of the chicken, the crude protein level should be reduced as much as possible to ensure the essential amino acid content and amino acid balance. Avoid excessive protein and increase the proportion of fat feed by adding fat. Heat stress in laying hens leads to reduced feed intake, resulting in insufficient energy intake.

Adjust the paper feed mode and lighting time. In the summer, the temperature is higher at noon, the appetite of chicken is low, and the temperature is suitable in the morning and evening. Chicken has a strong sense of hunger. At this point, the feed stimulates appetite, increases feed intake, and has a lower peak heat production. Time, because the maximum heat production related to digestion is 3-5 hours after feeding, should be avoided after 9 am to meet the nutritional needs of chicken production or growth, improve its anti-stress ability, broilers can rest the lighting system at night , low light illumination for 1 hour, light off for 2-3 hours, and so on. Egg laying hens can turn on the lights around 1 am, let the chickens heat up, drink water and feed, and the chickens start laying eggs when they are bright, so as to avoid laying eggs at high temperatures at noon. And reduce heat stress. It is estimated that 80-90% of consumption is consumed when it is cool. For free-fed broilers, two feeds can be supplied at the same time, one material is normal, the other material has a low nutrient concentration, and the chicken can be selectively eaten as needed. Tests have shown that this method can improve weight gain and feed compensation. Reduce the cost of feeding and mortality of poultry farming equipment for sale.

During heat stress, 80% of body heat is dissipated by evaporation. Try to stimulate the chicken to drink plenty of water to ensure that the drinking water is adequate and cool. Since low temperature water can carry away more heat in the body, it can relieve heat stress and reduce heat stress. The adverse effects of heat stress on feed intake. However, drinking water must be hygienic, preferably deep well water. When the house is exposed to high temperature and high humidity (temperature exceeds 35 ° C, humidity exceeds 70%), the following measures should be taken to prevent acute death. Close the wet curtain and turn on all fans to remove moisture from the house. When the humidity exceeds 80%, the side windows and doors in the front half of the house should be opened immediately, so that the air inlet area is larger than twice the area of ​​the air outlet to achieve rapid dehumidification for poultry farm equipment suppliers.

For laying hens, egg production rate and egg quality are very important, and it is also directly related to the economic benefits of laying hens. If too much soft shell egg will affect the income, how should it be improved?

In fact, the main reason for the appearance of soft shell eggs is that the intake of calcium in the laying hens is insufficient. The lack of calcium leads to the thinning of the eggshells, so there will be soft shell eggs or even shelless eggs, so it must be in daily breeding. Pay attention to the calcium supplementation of laying hens. The calcium required for eggshell formation is mostly derived from feed, so feed is an important factor.

For calcium supplementation in laying hens in poultry farming equipment for sale, it is necessary to choose a suitable calcium material. Usually, when calcium is added to the laying hen, two or more kinds of calcium materials can be selected for calcium supplementation,which is better.

The best time for calcium supplementation is mainly 2-4 pm, which is most suitable because only the calcium absorbed in the afternoon or evening will participate in the formation of the eggshell at night, and the afternoon is the peak of the feeding of the hens in the afternoon. At this time, the appetite is high and the food is eaten, so the effect of calcium supplementation at this time is the best.

The higher the calcium content of the feed, the better, otherwise it will be unfavorable for laying eggs. Timely calcium supplementation for laying hens will have a good benefit. If the calcium content is insufficient, it will lead to an increase in the production of soft shell eggs and a certain loss.