− | Most ferrets utilised for laboratory studies are males sue to oestrous related health problems associated with females. Laboratory ferrets are often purchased pre-castrated and 'de-scented' (i.e. anal gland sacculectomy). | + | Most ferrets utilised for laboratory studies are males due to oestrous related health problems associated with females. Laboratory ferrets are often purchased pre-castrated and 'de-scented' (i.e. anal gland sacculectomy). |