There are the following technical points in the cultivation of mountainous areas: First, the venue selection: Run well and love to dance and roll on a wide field. Under artificial breeding conditions, there must be enough sports venues and require good drainage, and no water accumulation, so as to avoid unhealthy water and cause illness. The site is selected to be flat or slightly sloped in the south or southeast direction. The soil is preferably loam or sandy loam. It is far from the village and it is easily accessible. There are no other livestock and poultry farms nearby to avoid the cross-contamination of diseases. The sheds should be well ventilated, easy to clean and disinfect, and each 100 rakes should have a shed of 100 square meters and a playground area of ​​250 to 300 square meters. Second, feed requirements: 1. Concentrated feed: to meet the nutritional requirements of various stages of earthworms, crude protein content needs to reach about 17% to 20%, the metabolic energy of 2650 ~ 2700 kcal / kg. 4 to 6 months of age for the long shelf phase, should increase protein, calcium, phosphorus and vitamin D supplement. Pay attention to the quality of raw materials. Peanut bran and minced meat should be fresh and must not be fed mildewed feed. 2. Green fodder: It is better to use forage grass, black grass, grassy grass and leguminous weeds, bamboo grass, cattle hay, water lotus, Fanzmiao, twigs, leaves, etc. can also be fed . If a variety of green materials can be mixed and fed, it will help enhance the disease resistance of alfalfa. Third, feeding and management: 1. To ensure adequate hygiene and clean drinking water. 2. According to the quota, quantitative feed regularly with enough concentrate and green feed every day. Each day, feed the concentrate: 4 to 5 months of age 0 to 5 kg, 6 to 7 months of age 0.55 kg, 8 to 9 months of age 0.6 kg, October to 11 months of age 0 to 65 kg; green feed: 4 to 5 months The age of 1.25 kg, 6 kg to 7 months of age, 8 to 11 months of 1.75 kg. 3. There should be a fixed time and sequence of daily feeding of fine material, green material, drinking water, and cleaning. 4. Be diligent in observing and observe carefully the mental state, appetite, drinking water, feces, and behaviors of the deafness every day so that problems can be found in a timely manner and the loss can be reduced. Fourth, comprehensive disease prevention and control measures: 1. The breeding area should be strictly prohibited from entering by outsiders. The breeder must wear overalls and work shoes at work. 2. The inside and outside of the site should be kept clean and free of accumulated water; once a day, the excrement should be cleaned once a week and sterilized 1 or 2 times; foreign objects such as sharp metal, bamboo, hardwood, etc. should be cleaned in time to avoid damage; the surrounding environment should also be Keep clean and tidy, sterilize 1 to 2 times per season. 3. Drinking water hygiene, green feed must be disinfected and rinsed before feeding. 4. Do a good job in the prevention and treatment of coccidiosis and parasitic insects such as aphids. 5. Sudden surprise or sudden changes in the weather, etc. are prone to stress reactions and need to be fed with antibiotics and vitamins in time to avoid diseases caused by decreased resistance. 6. About 15 days into the field, no abnormal reactions can be injected with Newcastle disease oil seedlings.
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