By Nicola Davis / theguardian.com

Pigs have previously been found to be capable of a host of tasks, including solving multiple-choice puzzles, and learning commands such as “sit”.

Now researchers in the US say they have successfully trained four pigs to manipulate a joystick and control a cursor on a monitor.

“Potentially there may be more that pigs are capable of learning and understanding and responding to than we have previously envisaged,” said Prof Candace Croney of Purdue University, who co-authored the research.

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