From: Radiographic closure time of appendicular growth plates in the Icelandic horse
 |  | Growth plate | ||||||||
---|---|---|---|---|---|---|---|---|---|---|
Breed | n | Proximal second phalanx | Proximal first phalanx | Distal third metacarpal | Distal third metatarsal | Distal radius | Proximal radius | Tuber olecrani | Distal humerus | Tuber calcanei |
Brazilian Thorougbred [27] | 20 |  |  |  |  | 20.9–27.6 |  |  |  |  |
Thoroughbred [19] | 800 |  | 8.0–14.0 | 8.0–14.0 |  |  |  |  |  |  |
Thoroughbred [20] | 53 |  |  |  |  |  |  |  |  | 16.0–24.0 |
American Standardbred [16] | 113 |  |  |  |  | 26.0–35.0 |  |  |  |  |
Standardbred [13] | 14 |  |  |  |  | 24.2–31.9 |  |  |  |  |
American and Italian Standardbred [15] | 140 |  |  |  |  | 26.0–29.0 |  |  |  | 23.0–27.0 |
Arabian [14] | 2 | 7.5–7.9 | 7.5–8.8 | 7.0–7.5 | 7.0–7.5 | 23.2–23.7 | 13.6–14.0 | 26.6–29.7 | 13.6–14.9 |  |
Quarter Horse [12] | 6 | Â | Â | Â | Â | Â | Ca. 18 | Â | Â | Â |
Thoroughbred-Quarter Horse Cross [11] | 9 |  | 6.0–10.0 (tl)* 8.0–11.0 (pl)* | 7.0–9.5 (18)** | 9.0–12.5 | 24.0–25.5 |  |  |  |  |
Brazilian Manga-larga [17] | 7 | Â | Â | Â | Â | 24.6 | Â | Â | Â | Â |
Finnhorse [18] | 15 |  |  |  |  | 24.0–30.0 |  |  |  |  |
Icelandic horse, current study | 35–56** | 8.1 | 8.1–8.5 | 8.1–8.5 (16.4)*** | 8.1–14.9 (16.4)*** | 27.4–32.0 (39.1)*** | 14.9 | 31.5–32.2 | 8.8–11.0 | 19.0–26.7 |