Add Yahoo as a preferred source to see more of our stories on Google. Some sounds are negative and others positive, the experts say (Getty Images) Pigs are noisy creatures, from their contented oinks ...

The art of raising pigs begins with a strong foundation in the basics, including background knowledge in the terminology used to describe pigs and what different pig sounds usually indicate your ...

European researchers are developing a tool to help identify animal emotions through a vocal recognition system. It aims to help people who work with pigs identify whether the animals are in distress.