If you don't want to use corrid, here is a link of how we treat it-- it is worked for us and our relatives on several occasions. There is controversy over it, but personally it is what has worked well for us. There are also several studies on it if you would like to do research on it. https://www.backyardchickens.com/articles/treating-maintaining-healthy-chickens-with-herbs.73080/ I hope this helps someone.
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