The footage has been captured by researchers with the campaigning organisation Viva, which is calling on the government to implement a UK ban.
Viva describes the scenes of piglets having their back teeth clipped off with metal pliers and the ends of their tails removed with scissors as horrific.
The measures are used by farmers to limit the damage caused by pigs to one another when they battle for food or bite each other out of frustration.
Typically, the sharp teeth can cause serious injuries, particularly to the tails and ears.
Viva claims that the pigs become aggressive as a direct result of factory farm conditions, where they are kept behind bars in cramped conditions on concrete floors.
However, these practices are not confined to intensive pig farms and are also often used on pigs that are bred or reared outside. Read More