Table 1 Prevalences of congenital hereditary sensorineural deafness in Australian Cattle Dogs (and numbers of dogs affected) for dogs where the complete litter was BAER tested, for dogs from incompletely tested litters and for dogs tested individually (single dog tests)
Completeness of BAER testing of dog’s litter* | No. dogs tested** | Normal hearing | Unilateral deaf | Bilateral deaf*** | ||
|---|---|---|---|---|---|---|
Left-hand side | Right-hand side | Side unrecorded | ||||
Complete litter tested | 696 | 88.9% (619) | 3.9% (27) | 3.6% (25) | 0.0% | 3.6% (25) |
Incompletely-tested litter | 114 | 86.8% (99) | 1.8% (2) | 5.3% (6) | 1.8% (2) | 4.4% (5) |
Single dog tests | 89 | 94.4% (84) | 2.2% (2) | 3.4% (3) | 0.0% | 0.0% |
Total | 899 | 89.2% (802) | 3.4% (31) | 3.8% (34) | 0.2% (2) | 3.3% (30) |