National Natural Science Foundation of China, Grant/Award Number: 31730091; National Pig Industry System (CARS-35); China Post-doctoral Science Foundation, Grant/Award Number: 2016M600630
We are grateful to Jingbo Liu and Weichen Zhao for their assistance during the animal experiment. This research was supported by the National Natural Science Foundation of China, (Grant/Award Number: 31730091; National Pig Industry System (CARS-35); China Post-doctoral Science Foundation, Grant/Award Number: 2016M600630.