can anyone answer this ??
According to this they get them young:
Although a few people in Africa and Asia find very young hyaenas in nature and raise them as pets, these animals generally appear to be extremely unhappy as “domestic companions” as adults, and must often be kept muzzled at all times so that they do not harm people or property. A muzzle prevents the hyaena from being able to groom itself properly. As spotted hyaenas need several years of practice to become proficient hunters, and as they are deprived of this practice when reared as pets, it is effectively a death sentenc