Application of fructooligosaccharide as additive in preparation of products for relieving poor pregnancy outcome of sows and weaning diarrhea of piglets

The invention discloses an application of fructooligosaccharide as an additive in preparation of a product for relieving the bad pregnancy outcome of sows and the weaning diarrhea of piglets, and belongs to the technical field of livestock and poultry breeding. 0.2 wt% of fructooligosaccharide is supplemented in the gestation period and the lactation period of the sows in combination with the weaning period of the piglets; the reproductive performance, constipation in the gestation period, insulin resistance and placenta functions of the sows are improved, and the diarrhea rate of weaned piglets is reduced. According to the invention, 0.2 wt% of fructooligosaccharide is supplemented during the sow pregnancy lactation period and the piglet weaning period through sow and piglet integration for the first time, so that the method has important significance for related products for relieving the poor pregnancy outcome of sows and reducing the diarrhea rate of weaned piglets, and is not limited to independently sup