McChooky
Free Ranging
Here is a link to a thread here on byc (the proper dose and best type) https://www.backyardchickens.com/th...attle-pour-on-for-mites.1559406/post-26443229
https://www.merckvetmanual.com/resourcespages/user-guide
https://www.merckvetmanual.com/resourcespages/user-guide