In the world of dreams the rules of reality do not necessarily apply. Each dream is unique and it's a direct link to the soul and spirit. Psychology provides its own theories on what dreams mean, but so did tradition and the study of dreams for thousands of years before any relevant science had developed.
Dream Meanings - Carcass
If you dream of a wild animal carcass then you will be freed of some difficulties, if the carcass belongs to a domesticated animal then watch out as you will lose some money.