Humidity causes pigs to be mainly affected by temperature. If the suckling piglet is susceptible to diarrhoea in the summer, it is often because the pig house is damp. This dampness is not only damp in the air, but more serious is the dampness of the ground and the humidity in the incubator. The ground is wet during the drying process. It needs to absorb the heat in the air and reduce the ambient temperature. The first thing to change is the net bed that is only 25 cm to 30 cm away from the ground. This is where piglets lie and move. If the inside of the oven is moist, it will directly affect the piglet that is in contact with it. In this way, it seems that the temperature in the air is not low, but the effective temperature felt by the piglets is not enough, because the temperature discomfort causes the piglets to reduce the digestive function and the digestive tract resistance to weaken, causing illness.
If the pig enters a humid environment from a dry environment, there will also be obvious incompatibility. This phenomenon often occurs in pigs during the process of transfer. Because now is the mode of full-feeding and full-breeding, every time after the pigs have gone away, they must go through thorough cleaning and disinfection. If the herd turnover is tight, pigs are often turned into pigs before they are dry. Although the net bed is dry, the ground and the walls are still not dry; when the temperature is not high, the pigs will be cold, and when the temperature is high, the humidity will be too high. Together with other stress during the swarm, the possibility of herd development Very large.
In summer, the delivery room is wet, which is often related to the watering of the sow during hot weather, and it is also related to the overheating of the ground for the temperature reduction of the sow. There has been no better way to solve the high temperature problem, so the delivery room has been in a humid environment. When the humidity in the delivery room is too high, it is often due to over-tightening and the water vapor in the house cannot be discharged. In this way the air meets the wall and the roof once again forms a stream of water to the ground. This cycle, so that the house has been in a wet state.
Empty pig houses are wet due to rinsing and disinfection. Many people attach importance to disinfection, and sterilize them again and again after rinsing, so that the pig house cannot be dried and the pig can only enter the wet environment. The solution to wetness can be considered from the following aspects:
1. Increase ventilation. Ventilation can vent water vapor inside the house, but how to ventilate it, according to the conditions of different piggery to take corresponding measures. One is to raise the delivery bed to keep the piglets away from the wet ground. The second is to increase the window area and increase the ventilation outside the house. The third is to open the ground window, because the wind through the window directly to the ground, it is easier to make the water evaporate. The fourth is the use of a fan. The fan can enhance the flow of air. The effect is very good when used in an empty space.
2. Control water use. In moisture-sensitive pig houses (such as the delivery room and pre-care stage), water should be controlled, and in particular, water should be reduced as much as possible.
3. Lay lime on the floor. Laying lime in the house floor can make use of moisture absorption characteristics of quicklime to make local air dry.
4. Grill dry shop pull. In situations where the home environment is not easy to control, simply providing local microclimate to the pig has a good effect. The method is to often dry the laying board with a stove for the piglet, or to give the pig shop a few days before it is dry. Cloth or carpet, so that the pig to avoid lying on a wet plank, also has a certain effect on the prevention of diarrhea in piglets.
5. Low-temperature water pipes. Low-temperature water pipes also have the function of absorbing moisture. If the water pipe below 20°C passes through a damp pig house, water vapor in the house will become water drops and flow down from the water pipe; if there are more water pipes in the house and drainage facilities are installed at the same time, the humidity in the house will also be reduced. .
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