The new agricultural technologies make it possible to read the emotions of pigs.

Breeders will soon be able to better understand what pigs with artificial intelligence feel.

The technology is still in its infancy, analyzing the faces of animals to determine if an animal is stressed or happy.

Researchers at the Bristol Robotics Laboratory believe that farmers have a moral obligation to improve animal welfare, but they add that happy animals also need fewer antibiotics, steroids and feed.

It is believed that the system could continue to be used on other animals in the future.

The BBC attended Scottish Rural College, where she took pictures of her pigs as part of the project.

For more information about Focus on Farming, visit www.bbc.co.uk/focusonfarming

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