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What causes paralysis in sows?

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What causes paralysis in sows???
Parturient paralysis, also known as sow paralysis, includes prepartum paralysis and postpartum paralysis. It is a disease of sows before and after farrowing characterized by flaccid muscles of the limbs and low blood calcium. The main cause is nutritional disorders such as calcium and phosphorus deficiency.

The causes of the drop in blood calcium may be related to the following factors: a large amount of blood calcium enters the colostrum around farrowing, and the calcium lost from the blood cannot be replenished quickly, causing blood calcium to fall sharply; in late pregnancy, calcium intake is severely insufficient; farrowing stress and reduced calcium absorption in the intestine; an improper or deficient calcium-to-phosphorus ratio in the feed, vitamin D deficiency, and low-magnesium diets can accelerate the occurrence of low blood calcium. In addition, improper feeding and management, poor postpartum care, old and weak sows, and lack of exercise can also lead to this disease.

 

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