Allergens are a result of dander, that is useless pores and skin cells. Both of those animals and humans lose these useless skin cells. Dander is attached to the hair that dogs shed. I really like my Irish doodle! Arrived from an awesome bloodline and an even better loved ones. https://yorkshire-terriers-for-sa90208.liberty-blog.com/36111994/the-ultimate-guide-to-yorkshire-terriers-puppies-for-sale