Chickens make a lot of noise. But did you know that these sounds can tell us a lot about their health and how they're feeling? Scientists have been studying chicken noises for 15 days straight. They used special microphones in chicken houses to record all the sounds. They also checked the temperature and humidity to see how it affects the chickens.

The scientists found that roosters are the loudest in the early morning. Their crows can reach up to 50 decibels. That's about as loud as a busy office! The scientists used a special computer program to figure out which sounds came from roosters, hens, and other noises. The program was really good at this, getting it right 98% of the time.

The scientists also found that some sounds were linked to how many eggs the hens laid. For example, a higher pitch in the hens' voices was linked to more eggs. But when it was too hot or humid, the hens made different sounds. This shows that listening to chickens can help farmers take better care of them.

This is all part of a bigger trend in farming called precision livestock farming. It's about using technology to make sure animals are healthy and happy. By listening to chickens, farmers can make better decisions and give the chickens a better life.

PRECISION LIVESTOCK FARMING

Listening to Chickens: How Sounds Can Tell Us About Their Health

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