Single 1-20,000 chicken farm standardized construction mode, has become the main body of egg production in China. Farm site selection and layout should be in line with the "review of animal epidemic prevention conditions," the provisions of the requirements of the same time, convenient transportation, hardened pavement of the special road through to the field; high terrain, sheltered from the wind to the sun, drainage is convenient; stable water sources, water quality in line with national drinking water standards. Layout should be from the convenience of epidemic prevention and organization of production considerations, the field can be divided into production areas, office areas, living areas, auxiliary production areas, sewage and manure treatment areas, etc., and at the same time, according to the dominant wind direction, terrain height and water flow direction for the principle of layout. If the terrain and the wind direction is not consistent, the dominant wind direction; chicken coop facing east-west or south by east (or west) 15 degrees or so, conducive to improving the winter temperature to avoid summer solar radiation, conducive to improving the ventilation of the chicken coop; chicken coop spacing, brooder brooder house 10-20 meters, laying hen house 10-15 meters.

Technical points

The field is divided into production area, living area and office area according to the function, each area is completely separate. The production area is divided into brooding and egg-laying areas, and the clean and dirty paths are separated, with better biosecurity control and reasonable layout, which is conducive to hygienic epidemic prevention and disease control.

The type of chicken house is a closed chicken house, with durable construction, good heat insulation and heat preservation performance, and good environmental control inside the house, which can still meet the demand of egg production when the temperature outside the house is -15℃ in winter.

Adopting a two-stage rearing process, the single-block all-in, all-out mode, the single-block brooder house has a rearing scale of 22,500 chickens, and the laying house has a rearing scale of 15,000 laying hens. It adopts 3-layer ladder cage; nipple drinking water, ladder straddle with automatic feeding, wet curtain cooling, longitudinal ventilation, and mechanical manure cleaning by scraper plate. The disinfection facilities in the farm area are complete, equipped with high-pressure cleaning and disinfection machine, ultraviolet ray disinfection lamp, and special traveling spray disinfection machine for chicken coops. Sewage treatment adopts septic tank treatment, which is used for farmland fertilization, and the chicken farm builds its own composting site. Diseased and dead chickens are treated by fermentation in fully enclosed septic tanks. This model can meet the requirements of large-scale egg production, in this model the chicken farm environment is clean, the chicken coop air quality is better, and labor efficiency is high.

Cost-saving and efficiency

The farm construction mode adopts a two-stage rearing mode of brooding and laying hens, which solves the problem of the original three-stage rearing of multiple batches of chickens and the mixing of chickens of multiple days of age, which is conducive to epidemic prevention and avoids cross infection caused by the mixing of chickens in the same area, and the chance of infectious diseases is reduced by 80% compared with that of mixing mode, and the cost of vaccines and veterinary drugs is reduced by more than 20%; The integrated rearing mode of brooding and rearing is conducive to the heat preservation of the chick house, avoiding touching the temperature difference stress from the brooding house to the rearing house, and at the same time, reducing the artificial stress brought about by transferring, improving the quality of chickens, and improving the utilization efficiency of the cage space, reducing the cost of breeding.

The chicken house is reasonably constructed, with mechanical ventilation and wet curtain cooling system, the environmental control of the house can meet the demand of egg production, and the average temperature in the house can reach above 13℃ in winter, and the temperature in the house can be maintained at 25.2℃ in summer.

Under the construction mode of this farm, the per capita rearing capacity can be more than 5,300 chickens than in the past; the rearing cost of 154 days of laying hens (excluding the cost of chickens) has been reduced from 32.7 yuan in the past to 29.5 yuan at present