- Jan 20, 2015
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I've been looking into the use of Permethrine and have seen that pests can become resistant to Permethrine if used over a long period of time. What should you do to alternate treatments to prevent pests from becoming resistant to Permethrine? I've dusted my coop with DE before in the past and it didn't appear to help with pests at all, and caused some of the birds to develop respiratory issues and dry skin.