Meat duck early spring greenhouse feeding technology

In the early spring low temperature season, the use of greenhouses for intensive rearing of meat ducks, can make full use of breeding space and improve the breeding efficiency. Greenhouses are constructed in places that are close to water sources, have a flat terrain, have good drainage, and are conducive to epidemic prevention. Greenhouses use wooden rods as scaffolds and ceiling frameworks, topped with sorghum stalks or corn stalks, and covered with straw or straw. Both sides of the greenhouse slope 80 cm to 100 cm away from the ground, surrounded by nylon nets, wrapped in plastic film to keep warm. The length of the shed is 20 to 30 meters, width 8 to 10 meters, and top height 3 to 4 meters. It is possible to raise 1,000 to 2000 ducks with 8 to 12 breeding stocks per square meter. Feeding management Select duck breeds such as cherry valley ducks that are suitable for intensive rearing. Ducklings start drinking within 24 hours after hatching. The feed is sprinkled on plastic sheets and fed 4 to 6 times a day. As the age increases, the number of feedings is gradually reduced. The key to the success or failure of brooding is the temperature. The temperature of the brooding chamber at the age of 1 day to 2 days is between 32°C and 34°C. Afterwards, it gradually cools, and it is advisable that the ducklings can move freely. Pay attention to cold and warm in winter, and pay attention to temperature adjustment in spring when the temperature is high. Feed corn, bean cake, bran, fish meal, bone meal, rapeseed cake and other preparations, add appropriate amount of salt, trace elements and a small amount of green feed. After 7 days of age, the ducks can be allowed to enter the water in sunny weather. The number of landings is determined according to the season, temperature and weather conditions. In spring, water is sprayed 1 to 3 times a day, and water is sprayed once or twice a day in winter. Every time water is gradually increased from 10 minutes to 1 hour, it can be flexibly controlled. Discard the duck sheds regularly with quicklime. Disinfect 2 or 3 times a week with pp powder solution. One-day-old ducklings were immunized with duck hepatitis virus attenuated vaccine, 15 days of age were vaccinated with duck maggot attenuated vaccine and fed with water and mixed feed. After 20 days of age, appropriate amounts of cholera or other antibiotics were added to the diet to prevent duck cholera .

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