Castoreum /kæsˈtɔːriəm/ is usually a yellowish exudate with the castor sacs of mature beavers. Beavers use castoreum in combination with urine to scent mark their territory.[one][2] Both beaver sexes Have got a pair of castor sacs along with a set of anal glands, situated in two cavities under the pores https://heavy-duty-castors25565.blogthisbiz.com/21674469/how-much-you-need-to-expect-you-ll-pay-for-a-good-castors