1. The advantages of the open house are that the design, building materials, construction process and internal installation conditions are simple, the cost is low, energy is saved, and the investment is small. In the case of a sports field and green feed, the requirements for the feed are not strict, and Chickens can be active, with good adaptability and strong physical fitness.

The shortcoming is that the chicken's physiological condition and production performance are affected by changes in external conditions. It is open management, and the chicken body is likely to be infected by various means such as insects, birds, soil, air, etc.; More. In particular, the chicken house is greatly affected by the external environment, the temperature regulation effect is not obvious, especially the light is not easy to control, and the sexual maturity of the chicken cannot be well controlled. The seasonality of production is extremely obvious, which is not conducive to balanced production and guarantee the normal market. Supply is not applicable in cold regions.

2. Semi-enclosed is the advantage of the chicken house: when natural conditions such as light, temperature, etc. are suitable for the growth of the flock, as with the open house, natural conditions can be used to meet the growth and production of the flock. When the natural conditions are not suitable for the production and growth of the flock, if the temperature is low, the heating equipment can be activated to provide suitable temperature for the flock to produce; when the temperature is too high, the cooling device can be started and ventilated. The equipment is cooled and ventilated to provide a suitable environment for the flock to produce; when the external environment is free of wind, the ventilation device can be activated for ventilation.

The disadvantage is that the sealing is relatively poor, and when the vertical ventilation is used to cool down, the effect is not good. It is also not suitable for cold areas and cannot be insulated during winter.

3. The advantage of the closed chicken house is that the roof and the four walls are well separated and have good thermal insulation ability, which can eliminate or reduce the influence of some unfavorable natural factors such as severe cold, squally wind and heavy rain on the flock. Controlling the sexual maturity of chickens, providing a more suitable living and production environment for the chickens; the well-closed houses are basically closed to prevent the introduction of diseases by natural media; artificially controlling the light can help control the sex of the chickens. Mature and stimulating laying of eggs, it is also convenient for the chickens to limit feeding, forced moulting and other measures. The activity of the chicken is restricted and the heat dissipation of the chicken body is reduced during the cold season, so the feed compensation is increased.

The shortcomings are high investment in construction and poultry feeding equipment, high construction standards and a large number of ancillary equipment; high stocking density, the chances of chickens infecting each other with diseases; ventilation, lighting, feeding and drinking water all rely on electricity, requiring There must be a reliable power supply, otherwise there will be a serious impact on the production of chickens in the event of a power outage.