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Horse Aging Using Teeth Georgia Agricultural Education Curriculum Office By: Mr. Tim Savelle, Jennifer Osborne, and Dr. Frank Flanders July 2006.

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Presentation on theme: "Horse Aging Using Teeth Georgia Agricultural Education Curriculum Office By: Mr. Tim Savelle, Jennifer Osborne, and Dr. Frank Flanders July 2006."— Presentation transcript:

1 Horse Aging Using Teeth Georgia Agricultural Education Curriculum Office By: Mr. Tim Savelle, Jennifer Osborne, and Dr. Frank Flanders July 2006

2 The Importance of Determining the Age of Horses Uses: Validate advertised age when buying Confirming age when racing or showing Feeding for proper nutrition at various life stages

3 Aging by Teeth An art that requires skill and experience Very old method of aging horses Error increases with horses age Becomes an educated guess after horse is older than 14 years Stabled horses tend to appear younger (less tooth wear) Pastured horses tend to appear older (more tooth wear)

4 Equine Tooth Structure Horses have 24 temporary teeth and 42 permanent teeth Canines Incisors Wolf Tooth (when present) Mandible Premolars Molars Maxilla

5 Equine Tooth Structure Age is determined using the 12 front teeth (incisors) Central Incisors (also pincers or nippers) Intermediate Incisors Corner Incisors

6 Mouthing a Horse for Age In Real Life: Hold the tongue out and to the side with your hand. This restraint provides an unobstructed view and is not painful to the horse.

7 Tooth Emergence Temporary Teeth (Baby Teeth) Temporary pincers: Birth - 10 days Temporary intermediates: 4 – 6 weeks Temporary corners: 6– 10 months

8 Tooth Emergence Permanent Teeth 6 years old Canine teeth appear: 4-5 years Permanent corners: 4 ½ years Permanent intermediates: 3 ½ years Permanent pincers: 2 ½ years

9 Tooth Wear As horses age, cups disappear from incisors As horses age, teeth become more triangular-shaped 15 years old 6 years old

10 Galvaynes Groove A mark on the upper corner incisors that appears and disappears in a predictable pattern as horses age Usually appears around the age of 10 years.

11 Galvaynes Groove A mark on the upper corner incisors that appears and disappears in a predictable pattern as horses age Groove is usually half way down at age 15

12 Galvaynes Groove A mark on the upper corner incisors that appears and disappears in a predictable pattern as horses age By age 20 the groove usually extends the full length of the tooth

13 Galvaynes Groove A mark on the upper corner incisors that appears and disappears in a predictable pattern as horses age Groove begins to recede around age 21

14 Galvaynes Groove A mark on the upper corner incisors that appears and disappears in a predictable pattern as horses age Groove is halfway gone by age 25 and disappears completely around age 30.

15 Aging Using Teeth Determine the most likely age for the following horse 1.7 years 2.14 years 3.21 years 4.28 years Wear – No Cups

16 Aging Using Teeth Determine the most likely age for the following horse 1.1 year 2.8 years 3.17 years 4.26 years Oval Shaped Teeth No Canines

17 Aging Using Teeth Which horse is older? A B


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