Table 3.
Distribution (percentage) of osteochondrosis (OC) scores in the right and left hock joints
| Humeral condyle | Group | Joint | OC 0 | OC 1 | OC 2 | OC 3 | OC 4 | OC 5 | Total OC |
|---|---|---|---|---|---|---|---|---|---|
| Medial talus trochlea | Free-range | Right | 70 | 4 | 6 | 2 | 0 | 18 | 30 |
| Left | 71 | 6 | 6 | 4 | 0 | 13 | 29 | ||
| Confined | Right | 85 | 9 | 3 | 0 | 0 | 3 | 15 | |
| Left | 78 | 11 | 4 | 7 | 0 | 0 | 22 | ||
| Medial talus distal* | Free-range | Right | 47 | 3 | 16 | 28 | 4 | 2 | 53 |
| Left | 43 | 6 | 19 | 28 | 4 | 0 | 57 | ||
| Confined | Right | 61 | 3 | 19 | 17 | 0 | 0 | 39 | |
| Left | 61 | 8 | 17 | 11 | 3 | 0 | 39 | ||
| Lateral talus trochlea | Free-range | Right | 81 | 8 | 6 | 3 | 1 | 1 | 19 |
| Left | 82 | 6 | 3 | 8 | 0 | 1 | 18 | ||
| Confined | Right | 91 | 9 | 0 | 0 | 0 | 0 | 9 | |
| Left | 82 | 9 | 9 | 0 | 0 | 0 | 18 | ||
| Lateral talus distal* | Free-range | Right | 60 | 13 | 19 | 8 | 0 | 0 | 40 |
| Left | 62 | 13 | 15 | 10 | 0 | 0 | 38 | ||
| Confined | Right | 64 | 17 | 17 | 2 | 0 | 0 | 36 | |
| Left | 64 | 8 | 22 | 6 | 0 | 0 | 36 | ||
| Calcaneus coracoid process | Free-range | Right | 74 | 1 | 1 | 0 | 0 | 24 | 26 |
| Left | 72 | 0 | 3 | 1 | 1 | 23 | 28 | ||
| Confined | Right | 93 | 0 | 2 | 0 | 0 | 5 | 7 | |
| Left | 98 | 0 | 0 | 0 | 2 | 0 | 2 | ||
| Calcaneus mediodistal* | Free-range | Right | 75 | 7 | 16 | 2 | 0 | 0 | 25 |
| Left | 75 | 6 | 15 | 4 | 0 | 0 | 25 | ||
| Confined | Right | 88 | 6 | 6 | 0 | 0 | 0 | 12 | |
| Left | 80 | 6 | 14 | 0 | 0 | 0 | 20 |
The values are rounded. Number of examined animals: free-range = 91, confined = 45.
*These joint sites were examined in 68 free-range and 36 confined pigs.