Site selection and layout
The monotonous building of 20,000-ton scale farms has become the main body of egg production in China. The site selection and layout of the farm should be in accordance with the “Regulations for the Examination of Animal Epidemic Prevention Conditionsâ€. It also requires convenient transportation and a dedicated road with hardened roads to the site. The terrain is high, sheltered from the wind, and the drainage is convenient. The water source is stable and the water quality meets the national drinking water standards. . The layout should be considered for facilitating epidemic prevention and organization of production. The site area can be divided into production areas, office areas, living areas, auxiliary production areas, and sewage treatment areas. At the same time, the layout should be based on the principles of dominant wind direction, topography, and direction of flow. For example, when the terrain is not the same as the wind direction, the dominant wind direction is dominant; the coop is oriented east-west or east-south east (or west) by about 15 degrees, which will help improve the winter temperature and avoid solar radiation in the summer, which will help improve the ventilation of the coops; Pitch, brooding rearing house 10-20 meters, 10-15 meters of egg house.
Technical points
The site area is divided into production area, living area and office area by function, and each area is completely separated. The production division is divided into a brooding breeding area and an egg production area. The net and the sewage are separated, the bio-safety control is better, and the layout is reasonable, which is conducive to the prevention and control of epidemics and diseases.
The type of house is a closed chicken house. The construction is sturdy and durable, and the heat insulation and heat insulation performance is good. The internal environment is well controlled. When the temperature outside the house is -15°C, the home environment can still meet the production requirements of laying hens.
Using two-stage feeding technology, the single-entry all-in-all-out model has a single-chamber brooding rearing house with a breeding scale of 22,500, and a laying house with a breeding scale of 15,000 laying hens. The use of three-tier ladder cage; nipple drinking water, ladder-style belt with automatic feeding, wet curtain cooling, vertical ventilation, mechanical scraping the fecal board mechanical excrement. The disinfection facilities in the site area are complete, equipped with high-pressure cleaning and disinfection machines, ultraviolet disinfection lamps, and special-purpose driving spray disinfection machines for chicken houses. Sewage treatment is treated with septic tanks and used for farmland fertilization. The chicken farms build their own compost farms. Dead chickens were treated with a fully sealed cadaver. This model can meet the requirements of large-scale laying hens. Under this model, the environment of chicken farms is clean, the air quality of chicken houses is good, and labor efficiency is high.
Cost-effectiveness
The farm construction model adopts the two-stage rearing method of brooding breeding and laying hens, which solves the problem of three batches feeding multiple batches of chickens and multi-day-old chickens, which is beneficial to prevention of disease and avoiding mixing in the same area. Cross-infection caused by raising, the probability of occurrence of infectious diseases decreased by 80% compared with the polyculture model, vaccines and veterinary drugs cost decreased by more than 20%; broodstock breeding as one of the feeding patterns is conducive to the insulation of the chicken house, avoiding the transfer from the brooding house The temperature stress of the breeding house reduces the artificial stress brought by the group, improves the quality of the flock, and improves the utilization efficiency of the cage and reduces the cost of breeding.
The construction of the house is reasonable, mechanical ventilation and wet curtain cooling system are adopted, and the environmental control in the house can meet the production requirements of laying hens. The average temperature in the chicken house in the winter can reach 13°C or higher, and the temperature in the summer house can be maintained at 25.2°C.
In the farm construction mode, the per capita breeding capacity can feed more than 5,300 chickens in the past; in 154 days, the cost of raising the layered chickens (excluding the cost of chickens) was reduced from the previous 32.7 yuan to the current 29.5 yuan.
Squid roe is the soil name for squid, with a pair of well-developed gills surrounding the mouth on both sides of the head. It often moves in the upper and middle layers of shallow seas, with a vertical movement range of more than 100 meters. The body is slender and has a long tapered shape. It feeds on krill, sardines, silver fins, small male fish, etc. It is also a prey target for ferocious fish.
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