Reports on animal bones from archaeological sites often include information about the “kill-off pattern” for each species – i.e. the relative representation of different age-groups in the sample. Osteologists believe that this information can be used as evidence for whether an animal was wild or domesticated, and, if domesticated, about the way in which man managed the animal. In this paper a method is described for recording such data for sheep and goat using mandibles and mandibular teeth; the analysis and interpretation of such data is discussed using excavated samples from Aşvan Kale.