Pyrethrins, and the related but more potent, chemically derived pyrethroids, are widely - used insecticides in flea and tick prevention products used around homes and on cats and dogs. (preventivevet.com)
They'll always have a consistent amount of insecticide in their coat, ensuring ample protection. (selfpetcare.com)
It also has extra genes that code for proteins related to virus acquisition and transmission, as well as insecticide resistance. (btiscience.org)