Hi,
I found you some links with some valuable info:
https://www.backyardchickens.com/forum/viewtopic.php?id=121931&p=1
https://www.backyardchickens.com/forum/viewtopic.php?id=131504&p=1
https://www.backyardchickens.com/forum/viewtopic.php?pid=449907
Hope it helps!