What does pig arch ditch mean?

The arch groove of pigs is a precursor for pigs to prepare food. Pigs have a keen sense of smell, and digging for food is one of the characteristics of pig's foraging behavior. Because the artificially raised pigs eat in the trough without soil, the pigs often arch their snouts along the trough and spill food on the ground.

Pigs like sweet food, and newborn piglets that are not breastfed will show sweet characteristics. Compared with powdered feed, pigs prefer to eat granular feed. In addition, pigs are usually fed 6-8 times a day, and the duration of each feeding is 10-20 minutes.