What's the temp outside the coop?
75 isn't bad, but when the summers heat first starts up they can have a hard time getting used to it.
Are their wings being held away from their bodies?
A fan just blowing around won't give much relief, not like for humans, you need to blow cooler air from outside into the coop.
This is what I do:
https://www.backyardchickens.com/articles/window-fan-mount.75608/
..and here's some other tips:
https://www.backyardchickens.com/articles/aarts-extreme-weather-spiel.75893/
Oh, and....
Welcome to BYC! @Buttercup is the best
Where in this world are you located?
Climate, and time of year, is almost always a factor.
Please add your general geographical location to your profile.
It's easy to do, and then it's always there!
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