that's for Nephelym only, the question was about the breeder being an Anthro.
to Wolfbutt, you need to save your variant on your breeder in order to be a exotic breeder, you'll need the creator code which open the variant mode in the main menu, if I remember correctly, you'll also need to visit Camilla so that when you edit your appearence with her, you can pick your saved variant.
Keep in mind that is just 13 exotic variant in total, female, male and futa, the rest will be half human half nephelym which what the non exotic nephelym already look like