So my dog is loosing her fur due to a combo of fleas and her skin condition(forgot what it’s called, but it worsens in the summer.) Flead have been super bad this summer and I’m so ready for winter. I have free range chickens so I’m cautious about poison in the air, but I need help getting rid of fleas in my dog’s kennel. I can’t bring her inside because she has a fear of being in the house(rescued pup.) So she has a kennel connected to her own open shed. I’ve done flea shampoos, the cinnamon based flea kennel spray that hooks to the water hose, dawn detergent, apple cider vinegar, hot spot sprays, and a few other things that used to work. Her dog crate has fresh cedar chips. Anything you suggest that wouldn’t hurt my chickens?