“It is possible to determine the emotions of pigs based on their vocalizations”
Anxious to make progress in animal welfare, European researchers have developed a tool to decipher the feelings pigs express in their various growls. Across Switzerland, Denmark, Norway, France and the Czech Republic, biologists studied more than 7,000 recordings of 411 pigs, from the brief screams of satisfaction at suckling to the desperate cries of slaughter, … Read more