Winter stability and measures to increase duck production rate
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The cold weather in winter, short nights and long days, lack of natural light, resulting in decreased egg production in winter, or even stop production. In order to stabilize and increase the egg production rate of ducks, the following feeding and management measures may be taken: 1. Before adjusting to the arrival of the cold season in ducks, ducks should be adjusted to bring the old, weak, sick, ducklings, low-yielding ducks and discontinued ducks in time. Be eliminated. Leaves ducks with good production performance, robust physique, and normal egg production. Second, cold insulation ducks and eggs suitable temperature is 10 ~ 20 °C. The cold weather in winter is not conducive to egg production in ducks and ducks, and thermal insulation work must be done. The following methods can be used to keep warm: 1. Block the hole in the duck house and wall and replace the bad tile to prevent the thief from invading. 2. Repair the doors and windows, at night, in the cold weather, cover the straw or double plastic sheets on the doors and windows. 3. Under the roof, add a heat-insulating sandwich or ceiling ceiling to block cold air from entering the house. 4. Cross bamboo rafts and wood strips 2 meters below the roof of the house and cover them with straw or plastic sheets. 5. Thick dry mat grass on the inside (shelf) surface ensures that the duck's abdomen will not be cold. 6. Increase the breeding density per unit area, and keep 8 to 9 eggs per square meter, so as to facilitate mutual heating between ducks and ducks, and maintain a relatively high temperature. 7. It is raised in a greenhouse. Plastic ducklings are raised in winter in a plastic greenhouse to allow the temperature to exceed 10°C. Choose a shed that is sunny, leeward, near water sources. 8 to 9 per square meter of rice, ducks in each room raise 300 ducks, build a 4.5 square meters long, 8 meters wide duck house. The duck house is 2 meters high on the north wall, 2.2 meters high on the south, 3 meters high on the ridge, and the top slope is longer than the front slope. In the east (western) gable, a working gate is left next to the north wall. The top is made of bamboo and other skeletons, covered with straw. The floor is covered with hay. Third, the deployment of feed winter duck in addition to egg production, but also to resist the cold. Therefore, it is necessary to increase the thermal energy in the duck and duck feed, appropriately increase the proportion of energy feeding such as corn and rice, and add 1% to 2% of animal fat, so that the metabolic energy in the feed can reach 12 to 12.5 trillion per kilogram. Coke to meet the needs of ducks for energy. At the same time properly reduce the protein content of feed, with 17% to 18.9% is appropriate. Reference feed formulation (%): corn 40, bran 23, broken rice 10, fat 2, rapeseed cake 5, bean cake 10, fish meal 7, bone meal 3, and trace amounts of salt. Also add some green feed. Such as green feed is insufficient, need to add 0.2% to 0.5% of poultry multi-dimensional four, hot feed warm drink temperature is low in winter, the ducks consume more heat energy, use warm water spices, mixing material temperature of about 38 °C, Mix well and feed it. To allow the duck to drink warm water, do not drink ice water or snow water, so as not to cause stress and reduce egg production. According to experiments, feeding ducks with warm feed (water) can increase the egg production rate by more than 10%. V. Adding night food The winter nights are short and long, and the nighttime temperatures are low. The ducks consume a lot of energy. They must feed one night's food around 12 o'clock at night. This will not only increase the nutrition of the ducks, but also help the ducks to keep warm and increase the production of eggs. the amount. It should be noted that the protein content of the feeds fed at night should not be too high to prevent the duck body from becoming over-fat and affecting the production of eggs. Sixth, feeding technology Feed mash After preparation Warming water and mix well, in order to loosen the hand into a group to loose the degree, usually fed 4 times a day, 5 am, 10 am, 3 pm, 1 pm each feeding . Give an evening meal at around 12PM. Try to make ducks eat more and make the ducks full. VII. Supplementing light The ducklings require 16 hours of light each day during the laying period. Winter nights are long and lack of natural light. Artificial lighting must be added. The supplemental lighting includes a 40-60 watt bulb per 5 to 20 square meters in the duck. The bulb is 2 meters high from the duck's back and is fitted with a lampshade so that the light is concentrated on the duck body and the light is uniform. . Turn on the lights twice a day, morning and evening, turn on the lights at 5 o'clock in the morning, turn off the lights at 8 o'clock, turn on the lights in the evening and turn off the lights at 21 o'clock. Switch light time must be strictly fixed. In case of heavy snow, dense fog, and other dark and light conditions, lights should be turned on early in the evening and lights should be turned off in the morning. If necessary, it can be illuminated all day. 8. Noise Noise Ducks Noise ducks in winter can increase the cold resistance and digestion of ducks and ducks, prevent the ducks from becoming fat and make the ducks more productive. Before the duck enters the water every day, it is necessary to noise the duck for 10 minutes to encourage the duck to exercise more. Prior to noise ducking, first open the window to balance the temperature inside and outside the house to improve duck adaptability. Noisy duck method: gently drive the ducks to make a slow circular movement in the house. When about 80% of the ducks give off a strong roar, let the ducks go out or go into the water. 9, timely release of water in the morning and late release of ducks, duck ducks early in the evening to reduce the number of launches, shorten the time to launch. Every day, the general water 2 times, every 5 to 10 minutes, sunny should be in the morning 10 am to 2 to 4 pm let the duck into the bath. Cloudy, windless days, once in the morning, not in the afternoon. Snow does not come into the water, snow stops and then you go into the water. X. Keeping quiet In peacetime, it is necessary to strengthen feeding and management, prevent abnormal sounds, keep quiet inside and out, and prohibit strangers from entering. Specially, we must prevent rodents, weasels and cats and dogs from harassing and attacking ducks. Eleventh, do a good job of sanitation, disinfection, epidemic prevention Daily removal of duck dung in a timely manner, diligently change the mat grass, keep clean and dry inside and outside. Every day, ducks should open all the windows to ventilate and ventilate, and timely discharge the harmful gas such as ammonia in the duck house. Disinfect the pens, food troughs and utensils once a week. Do a good job in epidemic prevention and timely injection of duck plague and duck cholera vaccine. Usually can be used sulfamethazine or sulfazeazole seasoning prevention, to ensure that ducks healthy and strong, normal egg production.