Laying hens should follow measures for high yields

In winter, the production performance of laying hens is greatly affected. In order to ensure the stable and high yield of laying hens, the following measures should be taken in focus:

Strengthening epidemic prevention

In winter, it is the multiple seasons of various infectious diseases of laying hens, and epidemic prevention should be strengthened. First of all, we must do a good job in immunization and deworming work. Eggs should be vaccinated with Newcastle disease I series lyophilized vaccine and Newcastle disease, transmission, and egg reduction syndrome oil emulsion vaccine at 110 days of age, and vaccinated with bird flu oil emulsion at 120 days of age. The vaccine was also dewormed with levamisole. Every 4 months, the birds were monitored for newcastle disease, bird flu, and other antibodies. The level of immunity of the chickens was known at the same time, and timely remedy was found when the level of immune antibodies was low. Do not blindly use the vaccine, do not arbitrarily increase the vaccine use multiples, so as not to cause immune failure or immune paralysis. At the same time, we must do a good job in environmental sanitation, remove the excrement in time, prevent rodents and other miscellaneous personnel from entering the coop, and observe the health status of the flock. We should promptly pass the drug susceptibility test for E. coli, Staphylococcus, etc., and choose high-sensitivity drug control. In the meantime, preventive measures such as preventive drug administration and chicken sterilization may be performed regularly or irregularly.

Scientific feeding

In winter, laying hens increase the demand for energy feed for warming, and they should add more energy-intensive feeds, such as oil and corn, in appropriate amounts. It is advisable to feed full-rate feeds with an additional 1%-2% of energy feed and appropriate amounts of vitamins, minerals, and other additives to meet the needs of winter laying hens for energy and various vitamins and minerals. It is best for chicken farmers to refrain from self-mixing and use a formula. Because of different sources of raw materials, different ingredients, protein, energy, minerals, etc., will cause the egg production rate of chickens to decline, produce soft eggs, and thin eggs. There are even phenomena such as chicken-crow's atrophy and pubic constriction.

Cold and warm measures

The most suitable temperature for laying hens is 13-24°C. When the temperature is too low, the chickens will squeak, and the laying performance and resistance to disease will decline. In order to increase the temperature of the coop, all the holes and cracks except for the ventilation window shall be plugged in the north window of the house, and the door and window of the chicken house and the dung opening shall be put on the cotton curtain, and the straw curtain shall be added at night. Stoves or insulation measures such as electric heating.

Reduce gas concentration

Due to the need for cold insulation during the winter, ventilation and air exchange in the house are seriously affected, and the concentration of harmful gases such as ammonia gas and hydrogen sulfide inside the house is too high, which affects the production of eggs. When the temperature is high at noon, the windows on the front and back walls are opened at regular intervals for proper ventilation. Every 7 days, equal parts of the leaves, atractylodes, and big green leaves were burned and fumigated once in the house.

Pay attention to damp-proof dehumidification

The most suitable humidity for laying hens is 60%-65%. If the humidity is too low, the chicken body will be dehydrated and cause respiratory diseases. If the humidity is too high, air pollution in the house will cause various diseases. Low winter temperatures, coupled with snow, fog, and other effects make the relative humidity in the house larger, pay attention to the water dispenser is not overflowing, no water leakage, reduce the chance of wet ground, clean up the excrement in time, and add ash, lime and other mats in the ground Material, snow and snow days to remove the snow outside the house, if necessary, in a chicken house to increase temperature and humidity.

Clean and warm water

The amount of chicken drinking varies with the seasons, winter feed intake is usually 2 times, the lack of drinking water can reduce the production of eggs by 2% -l0%, and reduce the weight of eggs, in order to make the laying hens in the winter Drinking water is clean and hygienic. It can also increase body heat. It is necessary to clean the drinking water tank once a day, warm the drinking water to 40°C, and then pour it into a sink to allow the chicken to drink freely. This will create a high-yielding drinking water environment for chickens.

Keep enough light

Illumination has a decisive effect on the feed intake, egg production, egg weight, shell thickness, egg formation time, egg production time, and interval between egg production and ovulation. In winter, natural light is insufficient and artificial light must be filled. After the laying hens are put into production, the light time must be maintained for 14-16 hours until the end of production.

Reduce various stress

Laying hens are sensitive to changes in the external environment and other factors during the laying of eggs. Once they are affected by stress factors such as relocation, feed mutations, poor ventilation, lack of light, or excessive vaccination, they can cause changes in physiological function and result in decreased egg production. . Require management personnel not to change clothes of different colors casually. The operation should be light and exquisite. Do not make abnormal noises. Do not suddenly change the feed. Try not to inject insects, avoid cutting off the material, cut off water, power outage, or stop light. The temperature inside the booth is too high or too high. Low, harmful gas content exceeding standards, to avoid intrusion of dogs, cats, rats, etc. In the event of stress, vitamin C can be added to the feed, while drinking water with electrolysis to maintain a good and stable environment.

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