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An undercover investigation has revealed the horrifying conditions pig farms inflict on their animals - including one piglet having its head smashed against the floor.
The footage, which was collected by Mercy For Animals, in farms across Tennessee between March and May this year shows the awful treatment of the pigs.
Hundreds - Pigs - Pens - Factory - Farms
Hundreds of pigs can be seen crammed into small pens inside the factory farms with some even having their heads trapped between the metal bars.
Piglets inside a red box are seen being pulled out by workers who appear to be ripping off the piglets' testicles and cutting their tails without any pain relief.
Animals - Heads - Ground - Workers - Shocking
Other animals have their heads smashed against the ground and are kicked by workers in the shocking video.
Non-profit group Mercy For Animals said the gestation crates used in the undercover footage are barely larger than the pigs' own bodies.
Animals - Play - Explore
Isolated and nearly immobilised, the animals are unable to turn around, lie down comfortably, play or explore.
They can suffer painful pressure sores from rubbing against the bars of their crates and crippling joint problems as their muscles atrophy from lack of use.
Use - Gestation - Crates - US - States
The use of gestation crates has been banned in 10 U.S. states, Canada,...
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