Ultimately, the new study adds to the abundant evidence of sophisticated intelligence in pigs, which is scientifically interesting and also has ethical implications for their treatment, management, and care.  

β€œAt the end of the day, I think the take-home message is this: We had no idea pigs were capable of doing even this level of conceptual learning,” Croney said. β€œIf they can do this, what else could they be learning and responding to that I might not, as somebody interacting with them or working with them, be taking into consideration?”