In addition to free-range farming in mountainous regions, hilly regions, and fruit trees, North China Chai Ji can also be farmed in farmland. The advantages of farmland rearrangement are: (1) Chicken manure is a good natural fertilizer, which can reduce the investment in farmland plantation. (2) Chickens are scattered in the field to feed on the weeds in the field, the gas roots of corn, and the low-level corn leaves. They can also eat tiny insects on the corn, thus eliminating the concerns of weeding and insect removal. (3) The feeding conditions are simple and the management method is simple. Disadvantages: (1) The rearing density is not high, and no more than 150 chickens per 0.067 hectare (1 mu) are farmed. (2) The type of feeding is single and only suitable for raising firewood. (1) Selection of farmland When choosing a land with a high topography, the fields for planting high-stalk crops such as corn and sorghum are generally selected. The growing period of the crop is more than 90 days, which can be used as a field for free-range farming. (B) Variety selection Due to the short growth period of the rooster, it is generally 140--150 days to be slaughtered. It is basically similar to the growth cycle of crops and can be scattered in farmland. The growth cycle of hens is more than 350 days. It should not be Farmland backyard. (3) Arrangement of chicken feeding time Chicken feeding time can be arranged about one week before and after the sowing of corn, sorghum and other crops, almost simultaneously with the sowing work. (4) Preparations for brooding in the free-range brooding process. The requirements for chicken rearing, management, and brooding are the same as those of other chickens. However, systematic training of chickens should be started one week after brooding. Before whistling or knocking bowls, etc., the chicken will establish conditioned reflexes after 3-5 days. In this way, it is easy to manage in the future free-range. In the middle and late stages of breeding, before the chicks are transferred to the colony, a simple shelter is built in the corn field, and when the habitat is built, the one with high ground can be used to shelter the birds from rain and rest in the evening. The shed is about 3 meters high. In the shed, two perches are placed near the two gables and the back wall. The perch can use its own wood, nailed into a long ladder, and the height of the perch is 1.5--2 meters. It is usually 3--4 layers, and the width is determined by the size of the house. In free-range farming, small semi-circle backyards should be started at the beginning, and a site surrounded by chicken nets should be used around the rearing rooms to allow chickens to move freely on the farm for one week. And provide some green plant feed properly. Training on the first day of the semi-captive training began. The method is that the two co-operate, one plays a flashlight against the flock of chickens, the other catches the chickens with both hands and places the chickens on the perch. After one week, the chickens will be on their own. At this time, the chicken gradually adapts to the outside environment. The chicken net can be removed and the chicken is free to move and feed in the corn field. Under normal circumstances, the height of the Tanaka corn should be close to the knee. In terms of the number of corn leaves, it is generally best to have 5-7 leaves. When a storm is encountered, whistling or knocking on the pots should be used to return the chickens and count the number of chickens. Grazing material must be supplemented every night after grazing. When the corn is mature, if the chickens are still out of the market, half captive breeding is still the main reason, and a large amount of supplements should be used to make fat. When the rooster is red, it can be listed. At this time Tanaka corn has been castrated. (5) Precautions Because the cock cockerel breeding period is catching up with the hot and rainy season of the year, first, pay attention to heatstroke prevention, add anti-stress drugs to the supplements; second, pay attention to rain, prevent chickens from rain. The third is to pay attention to the waterproof flood, because the rain in the middle of the storm will be two streams to the ground, so the broiler house should be built on the slightly higher side of the ground, after the rain, flooded chicken body is wet, The chickens will get together and they must be promptly driven away to prevent some chickens from being crushed to death. In the autumn, it is a season in which fowlpox frequently occurs. It is important to prevent fowlpox and prevent chickens from affecting prices due to the long-term pox.
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