First, the site selection and construction: Select near the edge of non-polluting sources of water, reservoirs, ponds, etc. Open and flat terrain, drainage is good, conducive to the prevention of isolation in the construction of greenhouses. There is an activity space between the greenhouse and the surface of the water. The greenhouse uses wooden rods as the support and the ceiling frame. Above the shed are covered with sorghum stalks or corn stalks, covered with wheat straw or straw, and the slopes on both sides are 80-100 cm away from the ground. They are enclosed with nylon nets, sealed with corn stalks, and kept warm by plastic sheets in winter. Duck sheds are generally 20 to 30 meters long, 8 to 10 meters wide, and 3 to 4 ceiling heights. They should be oriented according to the topography (the best condition is to face the south and south), and each shed can raise meat ducks from 1000 to 2000. Only 8-12 breeding stocks per square meter are appropriate. Second, feeding and management 1. Selection of varieties: the general choice of mild temperament, like static, good group, adaptability, fast growth, should be intensive feeding breeds ducks, ducks in general, such as the performance of a good valley duck. 2. Brooding: Ducklings are allowed to eat freely after drinking water for 24 hours after hatching. When the food is eaten, the feed can be sprinkled on the plastic cloth so that the duck can feed freely and feed 4 to 6 times a day, gradually reducing the number of feedings as the age increases. Turning off the temperature during a good brood is the key to the success or failure of a brood. The temperature of the brood chamber at 1 to 2 days of age was between 34 and 32°C, and then gradually cooled. The ducklings were able to move freely, and it was not appropriate to make piles. In winter and early spring, we must pay attention to keeping warm and cold, and in summer we should pay attention to sunstroke prevention and cooling. 3. Feed preparation: The feed is made of corn, bean cake, bran, fish meal, bone meal, rapeseed cake, etc., plus appropriate salt, trace elements and a small amount of green fodder. 4. Bathing: After the duck is 7 months old, the ducks can be bathed in the bathing water in sunny weather. The number of taps should be determined according to the season, temperature and weather conditions. In general, the water is sprayed 3 to 4 times a day in summer, 1 to 3 times in spring and autumn, and 1 to 2 times in winter. When the weather is cold, no water is allowed. Each time the launch of the water starts from 10 minutes, it gradually increases to 1 hour. Hot days can be long, and when it is cold, it is shorter and flexible. After each bath, the ducks were rushed to the back of the stadium to rest, feathers were kept, and the feathers dried before entering the shed. 5. Epidemic prevention: regular use of quicklime to disinfect duck sheds, keep sheds clean and dry, food troughs and sinks should be washed twice with fresh water every day, and use PP powder solution to disinfect 2 or 3 times a week. Ducklings were immunized with duck virus hepatitis virus vaccine in one day of age. A 15-day-old attenuated vaccine against duck plague was added to the feed at a time by adding water as a preventive measure. After 20 days of age, appropriate cholera or other antibiotics were added to the feed to prevent duck cholera.
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