What are the symptoms of pig cold stress

Pig farming area is very large in our country, although pig farming is very common. But raising pigs is not as simple as we thought. When raising pigs, if the temperature is not comfortable, then pigs are very prone to cold stress, which will have a serious impact on the growth of pigs. So what are the symptoms of pigs after cold stress? What is the cause? The following editor will give you a brief introduction, let's have a look!

1. Symptoms

Pigs usually have a sudden attack after cold stress. Body temperature will gradually drop to about 36 degrees, food intake will be significantly reduced, in severe cases refuse to eat, and the phenomenon of unable to stand. If you look at the anus of pigs, you will find that there are anal relaxation and prolapse of the anus and so on. Pigs with cold stress generally have no other medical history, if there is no timely treatment or treatment is not in place, then it is very easy to lead to common death of sows and piglets.

The pigs with cold stress reaction were mainly afraid of cold, shrunk, shivering and increased urination. The body temperature is very low, the reaction ability goes down the well, has the dull, coma and so on. In general, about 30% of the pigs in the same litter will suffer from the disease, and the mortality rate can reach 25%. In severe cases, the whole litter will die. If you look at dead pigs, you can also find sunken eyes, dehydration, rough body hair and so on. In the case of autopsy, the gastrointestinal mucosa fell off, the intestinal wall was thin, and there were incompletely digested feed and unformed faeces in the intestines.

2. Reasons

Cold stress in pigs is mainly due to lack of nutrition, emaciation and poor physique. At the same time, in breeding, if you encounter cold weather, the temperature difference between day and night is too large, and suddenly become cold and not timely adjustment, these will also become the inducement of cold stress in pigs. Among them, old, weak, sick and disabled pigs, pregnant pigs and piglets are more likely to have cold stress. At the same time, sows raised in restricted barracks, cement fields and long-term drinking cold water are also prone to high incidence.

3. Prevention and cure

First of all, we should pay attention to raise the temperature of the fence house, if we enter the low temperature season, we should adjust the temperature of the fence house in time. Keep the temperature within the suitable range for pig growth. If there is cold stress in pigs, then it is necessary to raise the body temperature of pigs in time, avoid hypoglycemia, and take good heat preservation measures. It can be put in a barn with a suitable temperature, and if it is a piglet, it should be put into the incubator in time. Promote the recovery of body temperature as soon as possible to alleviate the cold stress of pigs.

The above is a brief introduction to the symptoms of cold stress in pigs. That's all for today's introduction. This article is for reference only. I hope it can be helpful to everyone.