After tracking 957 litters from 353 sows, the scientists discovered that sows in the hoop barns gave birth to more live pigs per litter than those in gestation stalls.
After tracking 957 litters from 353 sows, the scientists discovered that sows in the hoop barns gave birth to more live pigs per litter than those in gestation stalls.
通过对353头母猪957窝猪的跟踪，研究者发现，大群饲养的母猪窝产活仔数更多。