Preparation of age profile based on incisors changes in Khouzestan Arabian mares

The horse age estimation is based on the evaluation of teeth. The ability to age estimation can be used when buying livestock, predicting its useful sporting life span, and helping to determine disease prognosis and insurance targets. In the present study, evaluation of incisor teeth of Khouzestan Arabian mares was performed to prepare the age profile of changes in the incisors. In this study, 78 Arabian mares of Khouzestan were examined. After confirming the authenticity of the animals, the images were digitally prepared from vestibular, rostral, and occlusal surfaces of the lower incisors. The prepared images were analyzed by the computer and the parameters related to the growth of deciduous and permanent teeth and their number and changes in the occlusal surface of the lower incisors were investigated. Finally, dental age profile was presented. The dI3 tooth in Khouzestan Arabian mares had a variety of eruption times, while the eruption time of the dI1 and dI2 teeth was almost similar to that of other horses. In permanent teeth, premature growth of I2 and I3 was observed in some cases. Dental star first appeared on the occlusal surface of the lower incisors at about 5.5 years old, and the enamel spot on I1 appeared about a year earlier than usual. In the age range of 15 days to 24 years old, the growth of the incisors teeth and some of its morphological changes were observed in cases earlier than usual.