coops are well ventilated its just we have had so much rain in the last year when the hay was harvested it was already starting to rot ive even had friends that have horses and cows have problems recently with hay
me either for ten years then i had a chicken get sick and lost the entire flock vet said it was from the hay and found mold spores in the hay you couldn't see the mold in the hay but under a microscope you could see it i lost all 15 that were in the pen im just glad i didn't lose more it stayed...
get rid of the hay its not good for chicks or chickens get pine shavings all it takes is a little mold on the hay and bang sick chickens and dead chicks
Take a piece of card board cut out a hole the size of a quarter. Then lay it on top of an led flashlight and presto a low temp egg candeler and to AMY PAPER LADY the color of the light has nothin to do with candeling eggs i found the brighter and ehiter the light the better it works but i hatch...