TABLE 3.
Grade incidence of dogs with hip dysplasia (Grades C–E) in South Africa with data compared to that of the Orthopaedic Foundation of America from 2007 to 2015.
| Breed | Year |
N |
% Normal: Grades A–B |
% Dysplastic |
|||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| % Grade C |
% Grade D |
% Grade E |
|||||||||
| SA | USA | SA | USA | SA | USA | SA | USA | SA | USA | ||
| Rottweiler | All | 1140 | 9735 | 78† | 82 | 10 | 11 | 8 | 6 | 4 | 1 |
| 2007 | 94 | 1260 | 69 | 81 | 15 | 12 | 10 | 6 | 6 | 1 | |
| 2008 | 50 | 1254 | 86 | 83 | 8 | 9 | 4 | 7 | 2 | 1 | |
| 2009 | 49 | 1059 | 61 | 84 | 18 | 11 | 14 | 4 | 6 | 1 | |
| 2010 | 125 | 1036 | 71 | 82 | 17 | 11 | 7 | 7 | 5 | 0 | |
| 2011 | 158 | 1074 | 78 | 82 | 11 | 12 | 6 | 6 | 4 | 1 | |
| 2012 | 149 | 1066 | 75 | 85 | 12 | 9 | 10 | 5 | 3 | 1 | |
| 2013 | 152 | 952 | 81 | 80 | 8 | 14 | 10 | 6 | 1 | 1 | |
| 2014 | 182 | 1026 | 85 | 82 | 6 | 12 | 5 | 5 | 3 | 0 | |
| 2015 | 181 | 1008 | 80 | 82 | 4 | 12 | 11 | 6 | 5 | 1 | |
| Labrador | All | 891 | 60244 | 69 | 91 | 9 | 12 | 6 | 11 | 2 | 8 |
| 2007 | 84 | 8427 | 71 | 89 | 8 | 8 | 6 | 3 | 14 | 1 | |
| 2008 | 61 | 7857 | 72 | 89 | 5 | 7 | 13 | 3 | 10 | 0 | |
| 2009 | 99 | 6886 | 70 | 90 | 8 | 6 | 14 | 3 | 8 | 1 | |
| 2010 | 111 | 6404 | 68 | 91 | 10 | 6 | 12 | 3 | 11 | 0 | |
| 2011 | 114 | 5741 | 69 | 91 | 14 | 6 | 7 | 2 | 10 | 1 | |
| 2012 | 90 | 5936 | 62 | 92 | 16 | 6 | 19 | 2 | 3 | 0 | |
| 2013 | 146 | 5999 | 64 | 92 | 21 | 6 | 9 | 2 | 5 | 0 | |
| 2014 | 104 | 6196 | 71 | 92 | 11 | 6 | 8 | 2 | 11 | 0 | |
| 2015 | 82 | 6778 | 77 | 91 | 7 | 6 | 11 | 2 | 5 | 0 | |
, Percentages may not always add up to 100% because of rounding of values.