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Cows don't make video calls but if they did, chances are they'd hate them just as much as most of us do.

The farm animals prefer face-to-face chat, new research from Austria suggests. Cows are more relaxed after being spoken to directly by a live human rather than when listening to a recorded voice (giọng nói ghi âm sẵn) via a loudspeaker (loa), researchers found.

"Our study suggests that live talking is more relaxing for our animals than a recording of a human voice," said Annika Lange, a doctoral student (nghiên cứu sinh tiến sĩ) at the University of Veterinary Medicine in Vienna and author of the study, in a press statement.

"Interactions may be less positive when they become artificial."

Bài trước: Còn lựa chọn nào đâu