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Some local chickens are mainly surrounded by wild forests. They feed on grain omnivores and field head grasshoppers. The chickens produced are full of game, nutritious and safe. Its comprehensive supporting technology is as follows: First, the choice of woodland. Should choose to stay away from livestock trading venues, livestock and poultry slaughterhouses, processing plants, chemical plants, waste disposal sites, to avoid air, dust, water, bacteria and noise pollution. It is best to be raised on the mudflats and orchards on riverbanks. The shade of the trees should be over 70% to prevent the hot summer sun from causing heat shock to the birds. Second, the chicken house construction. The hen house should be built in the forest to shelter from the wind, the terrain is high and dry, and the conditions for drainage and sewerage are good. The rainy season is not awkward and the water source is sufficient and the traffic is convenient. The plastic sheds can be built or the old buildings can be reconstructed into chicken houses. The sheds on both sides of the house are about 1.5 meters high and covered with wool and grass. The building area of ​​the house is calculated based on 8-10 square meters. The open woodland in front of the shed is circled with a nylon net of 1.5 to 2 meters high, which acts as a place of activity for local chickens. A number of troughs and drinkers are placed inside and outside the shed. Third, the choice of species. It should be determined according to the adaptability and market demand of the flock to wild forests. The first is to select hybrid chicken breeds that account for more than 75% of pure chickens or local chickens that are resistant to extensive movement, flexibility, strong feeding power, and strong disease resistance. The second is to select the type of fast-breeding chickens that have certain adaptability to the cold and rain, or the local chickens that have been body-selected and purified. IV. Stocking Management 1. Stocking density and scale. Stocking densities should be based on the principle of appropriate dilution, and generally 150-250 stocks per mu. Insufficient density of grasses and other bait is insufficient to increase the amount of concentrate feeding, affect the taste of chicken and eggs; the density is too small, resources are wasted, and ecological benefits are low. The size of stocking is generally about 1500-2000 pieces per group, adopting all-in and all-out systems. 2, stocking period. The stocking period was comprehensively determined based on the woodland feed resources and the age of the seedlings. Grazing is generally selected from the beginning of April to the end of October. During this time, weeds in the woodland and insects, ants and other insects thrive, and the birds can eat enough ecological feed. From November to March of the following year, captive breeding and grazing supplemented feeding methods were adopted. The chicks were brooded in the usual way in the first month after catching the chicks, and then they were grazing in the woodland after de-warm. 3. Delineate the round of pastoral areas. Generally, 3-5 acres of woodland are designated as a pastoral area. Each pastoral area is separated by a nylon net. This will not only prevent the infestation of chickens and weasels and the introduction of infectious bacteria, but also be beneficial to management, and it will also help establish the food chain. . When there is a shortage of grassworms in a pastoral area, the flocks are rushed to another pastoral area for grazing. The male and female chickens are best divided into different pastoral areas for stocking. In the period when the number of chickens is small and when the grassworms are insufficient, they can not be partitioned. 4, on-time feeding: In order to supplement the lack of feed during the period of stocking, timely feeding of the stocking of chickens. Can be supplemented once in the morning and in the evening, according to the principle of "half full, late, right amount" to determine the amount of feed. To make the body weight at 130 days of age reach the market standard and not too fat, the crude protein content of supplement concentrate should be appropriate. Reference formula (%) is: corn 58.4, wheat bran 9.5, soybean meal 22, bone meal 2.5, grassç³ 6, table salt 0.3, trace element additive 0.1, methionine 0.1, choline chloride 0.1. 5, grazing training and management. Pay close attention to changes in the weather, experience abrupt changes in the weather, rain, snow or strong winds should promptly return the chickens to the henhouse to prevent the chickens from suffering from the cold. On summer nights, some incandescent lamps can be hung in the woodland to attract more insects for the birds to eat. At the beginning of stocking, grazing for 3-4 hours a day, after which the grazing time is increased day by day. In order for the flock to return home regularly and to facilitate feeding, training passwords should be used, such as whistling, drumming, etc., for herding and training. V. Disease prevention and control 1. Native chickens are grazing in the woodland and are difficult to manage. Therefore, the keeper is required to have a strong sense of responsibility. Observe the production status of the chickens every day and record the feed, drinking water, spirit, feces and sleeping state of the chickens in detail. situation. When diseased chickens are found, they should be isolated and treated in time, and at the same time, prophylactic drug administration should be conducted on threatened chickens. During the grazing period, a certain amount of disinfectant is regularly placed in the drinking water of the chicken to control the content of harmful bacteria in the drinking water and prevent the spread of the disease. 2. Although wild chickens are kept away from villages and chicken farms, they also need scientific immunity. Reference immunization procedures: 1 day old Marek vaccine subcutaneously, 4 days old H120 seedlings, 8 days old and 30 days old Newcastle disease IV seedlings, 12 day old and 25 days old bursal seedlings Nose, 35 days old fowl pox seedlings subcutaneously, 50 days old H52 seedlings 2 times the amount of drinking water, 60 days old Newcastle disease I strains intramuscularly, 90 days old chicken E. coli vaccine injected intramuscularly, leaving eggs for laying chickens At the age of 120 days, the group also injected intramuscular injections of Newcastle disease, infectious bronchitis, and egg drop syndrome. The remaining vaccine bottle can not be thrown away, to be buried or boiled and other harmless treatment. 3, do a good job of woodland, sheds health. The chicken house is cleaned once a week. When the livestock is converted in rotation, the chicken manure in the pastoral area is completely removed, and the chicken manure is sprayed with lime powder or sprayed with lime milk. The chicken house is sterilized once every 2 weeks. 4. Wild-breeding chickens have maggots and eggs in the woodland. Parasitic diseases occur frequently. The chickens should use levamisole or propylimidazole to deworm once every 1-1.5 months to increase the growth rate of the chickens. Evenness and meat safety.