Barrier Red Mite Powder Is An Effective Red Mite Repellent That Can Be Applied To Your Chickens As A Proactive Approach To A Red Mite Infestation Or To Rectify An Existing Problemthe Best Time To Treat The Birds Is During The Evening, Because Red Mite Are Nocturnal & Feed On The Birds As They Roost At Nightapply In Accordance With The Directions For Usethe Powder Can Be Dusted Onto The Birds & Also Added To The Dust Bathdo Not Apply To Birds Poultry Under 7 Days Old & Apply Sparingly To Very Small Birdsthoroughly Dust The Birds With The Red Mite Powder Avoiding The Eye Arearepeat Application As Necessary Dependant Upon The Level Of Red Mite Infestation & Until You Are On Top Of The Problembarrier Red Mite Powder Can Be Used On Other Blood Sucking Pests Such As Lice, Fleas & Ticks.