The Ventilation System of the Modern Chicken House

The modern chicken breeding industry is developing in the direction of scale, standardization, and intelligence. Large-scale chicken farms are mainly sealed chicken houses, which can strictly control the temperature, humidity, gas, light, and other indicators in the environment to improve breeding efficiency.

Here is the content list:

• Ventilation in modern chicken coops

• Natural ventilation and negative pressure ventilation in chicken houses

Ventilation in modern chicken coops

The factors affecting the environment of the chicken house mainly include temperature, humidity, potentially harmful gases produced by chicken metabolism, dust, etc. Chicken house ventilation management is a way to regulate the chicken breeding environment. Ventilation is one of the most important ways to adjust the environment of the chicken house. The effect of ventilation in the chicken house directly affects the house temperature, humidity and air quality, and other indicators.

The role of chicken house ventilation mainly includes the following four aspects: first, ventilation can make the outside fresh air enter the chicken house, and at the same time discharge the air inside the chicken house to ensure that the chickens can breathe fresh air in time; secondly, ventilation can make the air in the house has a certain fluidity to keep the environment in the house consistent; thirdly, ventilation can adjust the temperature and humidity in the house; finally, ventilation can accelerate the discharge of harmful gases and substances in the house. The harmful gases and substances mainly include Chicken excrement and the gas it produces, the gas emitted by the chicken's breathing, the dander, volatile acid, and artificially generated dust in the production of the chicken body's external metabolism.

In modern-scale chicken farms, the ventilation of the chicken house mainly adopts mechanical ventilation methods, such as negative pressure ventilation, positive pressure ventilation, etc., which can be quickly improved by increasing the ventilation volume and ventilation rate inside the chicken house. In summer, the water curtain can also be used to cool down the chicken house, speed up the flow of indoor and outdoor air, and at the same time achieve the effect of reducing the humidity in the chicken house and improving the air quality.

Natural ventilation and negative pressure ventilation in chicken houses

Natural ventilation is relative to mechanical ventilation, that is, without installing mechanical equipment for ventilation, ventilation is carried out using air convection (natural flow) inside and outside the house. This ventilation method is often used in open chicken houses. Its advantages are low investment, low cost, and simple operation. It is suitable for application in small-scale chicken houses. Its disadvantage is that it cannot quickly and comprehensively adjust the ambient air of the chicken house. Negative pressure ventilation is a kind of mechanical ventilation, which refers to the rapid rotation of the fan installed on the wall of the chicken house so that the air in the chicken house is drawn out due to negative pressure. At the same time, the fresh air from the outside enters the chicken house through the other side—internal ventilation.

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