It is forbidden to throw cold water on pigs in the middle of summer.
The temperature is high in midsummer, and pigs are often hot and gasping for breath. Some farmers are worried that the pig will have a fever problem, so they throw cold water on the pig in order to cool it down and make the pig feel more comfortable, but they do not realize that this is harmful rather than beneficial.
Hot panting of pigs is caused by poor perspiration and lack of heat in the body for a while. If cold water is thrown on the pig at this time, due to strong cold stimulation, the sweat pores of the pig's whole body contract sharply, the heat in the body is blocked, and the body temperature rises abruptly, causing high fever and inflammation of the lungs in the pig, and death in the pig. Therefore, the method of pouring cold water on pigs must not be used to cool pigs in the middle of summer.
If the weather is hot and you really need to cool the pig down and dispel the heat, you can drive the pig to a cool and ventilated place, and then pour some cold water on the ground (preferably a clean cement floor) so that the pig can lie down and rest on it. You can also dig a hole in the pigsty and pour enough cool well water into the pit for the pig to "beat the mud".
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