Castoreum /kæsˈtɔːriəm/ is a yellowish exudate with the castor sacs of experienced beavers. Beavers use castoreum in combination with urine to scent mark their territory.[one][two] Each beaver sexes Have got a set of castor sacs along with a set of anal glands, located in two cavities under the pores and https://castors54196.blogoscience.com/21823409/top-guidelines-of-castors