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Rice-duck ecological seeding and orchard duck raising technology is an ecological farming technique for realizing the double harvest of rice (or fruit) ducks. It is a good model for healthy ducks and should be planned to be widely promoted in different regions. Healthy breeding of ducks should pay attention to the following points. I. Site selection and species selection of duck farms Select the site according to the farming mode. However, the duck farm site should be selected where the water quality is good, away from the main traffic and residential areas. The production area, management area and living area should be divided into the production area; the production area should be partitioned and separated from the management area and living area. There should be no hatchery in the duck farm. There are many excellent varieties of ducks in China, such as Beijing Duck, Cherry Valley Duck, and Di Gao Duck. Linwu Duck in our province is also an excellent variety. The breeder should select the rearing object according to the needs of the rearing pattern. For example, the paddy field duck should select the middle-small breed. Second, the protection of the supply of pollution-free feed as the material basis for poultry growth, its quality directly affects the quality of the product, so the feed must be safe, high quality, no pesticides, hormone residues. In the production, the sources of feed shall be safe and have no mildew. The use of additives shall comply with the provisions of the national standards. III. Epidemic disease control The implementation of epidemic disease monitoring and purification is the most effective measure to control the spread and epidemics of epidemics at the source. 1. Prevention is the main factor, and prevention is the most important thing in the entire process of designing and constructing duck farms, introducing ducklings, or in feeding and management. All of them must eliminate the source of infection, cut off the route of transmission, and enhance the resistance of ducks. The link starts to prevent the occurrence of infectious diseases. If it is not introduced from the epidemic area, it adopts the all-in and all-out feeding system; it will sterilize people and vehicles entering and exiting the area, establish disinfection procedures for the breeding of eggs, ducklings, and drinking water and feed disinfection procedures. 2. The breeding cycle of ducklings immunized ducks has a long feeding cycle, and has a great influence on the hatching of hatching eggs and the survival of ducklings. The duckling antibody level should be monitored at any time, and whether the immunization is to be carried out should be determined according to the monitoring results and the duck group status. The epidemic prevention for non-bred ducks can be carried out according to the vaccination program recommended by the veterinary epidemic prevention department. 3. The rational use of veterinary drugs should strive to improve the level of feeding and management, enhance the resistance of ducks, make ducks as less as possible to reduce the use of drugs. Through the formal channels to purchase qualified veterinary drugs produced by regular manufacturers, and strictly in accordance with regulations. Try to use non-pollution, non-residue antibiotic replacement medicines such as Chinese herbal medicine, defensins, yolk antibodies, etc. Strict implementation of the drug withdrawal period (the drug withdrawal period refers to the interval from when the drug is discontinued to allowing the animal or its product to be marketed). Pay attention to formulating a scientific dosing schedule. It is necessary to administer the drug strictly according to the course of treatment, use the drug correctly, prevent drug incompatibility, and establish drug use files. 4. Careful use of disinfectants Select disinfectants according to the purpose of disinfection, should choose efficient, inexpensive, easy to use, safe to humans and poultry, no residual toxicity, and in the poultry does not produce harmful substances disinfectant. Repeated disinfection is best to use more than two chemical disinfectants. 5. Environmental Hygiene Requirements The duck farm must maintain a clean and sanitary environment. Garbage, excrement, and dead ducks must be cleared or sent for detoxification. Clean the duck house at any time to ensure adequate light, fresh air and suitable temperature. Do a good job of rodent control, the farm shall not raise other poultry, livestock. The duck farm should have facilities for harmless treatment of diseased poultry, as well as manure and sewage fermentation tanks. These facilities should be built at the wind direction of the duck farm.