1Richardson J D, Cripps P J, Hillyer M H. An evaluation of the accuracy of aging horses by their dentition: a matter of experience [ J ].Vet Rec, 1995,137:88-90.
2Martin M T.Guide for determining the age of the horse [ M ].Lexington: AAEP, 2007.
4Richardson J D, Lane J G.Is dentition an accurate means to estimate the age ofa horse[ J ]. Vet Rec, 1994,135:31-34.
5Sehrock P,Ltipke M,Seifert H,et al. Three-dimensional anatomy of equine incisors:tooth length, enamel cover and age related changes [ J ]. BMC Vet Res,2013,9:249.
6Richardson J D, Cripps P J.An evaluation of aging horses by their dentition-changes of dental morphology with age [J ].Vet Ree, 1995, 137:117-121.
