Which method is used to determine the age of horses?

• A. Top teeth
• B. Horn rings
• C. Mutton joints in carcasses
• D. Bottom teeth

Answer: (A)

Age is read from the horse’s teeth because their eruption and wear follow a predictable pattern as the animal grows. The upper incisors are the most practical source for these clues, since their eruption sequence and the way wear marks develop on the top row provide reliable, observable indicators of age that veterinarians and horsemen use. As a horse matures, baby teeth are replaced by permanent incisors at known ages, and wear features such as the gradual fading of cups and changes in the edge of the teeth appear in a documented order on the upper teeth, with additional cues like Galvayne’s groove showing up in later years. Looking at the top teeth gives a clear timeline that helps estimate age more consistently than other anatomical features. Other options don’t fit because horn rings aren’t a feature of horses, and joints or carcass-related indicators aren’t used to age a living horse; focusing only on bottom teeth would miss key stages visible on the upper teeth. So, inspecting the top teeth is the standard method used to estimate a horse’s age.