Quakers Hill Veterinary Hospital

PH: 9626 9561

138 Burdekin Rd, Quakers Hill

Hearing Tests


Quakers Hill Veterinary Hospital uses the gold standard BAER test to assess an animal's hearing. BAER stands for Brain stem Auditory Evoked Potential. The unit uses electrodes attached between the skin of the outer ear canal and top (occipital protuberance) of the skull to measure the electrical activity from the inner ear to the auditory cortex of the brain. Your pet should be starved as the test is performed under sedation. The total time necessary is approximately 20 minutes and the results are immediately available.


Deafness is polygenetic (result of more than one gene) in many breeds. Whether an animal is deaf in one ear or both ears, the inheritance is genetically no different. An interesting finding is that twice as many animals are deaf in one ear as compared to two ears. An indication of an unilateral deaf animal is trouble locating or locking onto a source of a sound.


Congenital deafness is noted in the Australian Healer, Australian Shepherd, Beagle, Border Collie, Boston Terrier, Bull Terrier, Cockerspaniel, Dalmatian, Dappled Dachshund, English Bulldog, English Setter, Foxhound, Fox Terrier, Merle Coloured Collie, Merle Coloured Great Dane, Norwegian Dunkerhound, Old English Sheepdog, Scottish Terrier, Sealyham, and Shetland Sheepdog.



                         Trace from normal ear at 80dB                       Trace from unilateral deaf ear at 80 &                     Trace from bilaterally deaf dog

                                                                                                    100dB - 3rd line covered good ear


Please phone Quakers Hill Veterinary Hospital on 9626 9561 to book a test if you have concerns with your pet's hearing or wish to check the hearing statis in a litter of an at-risk breed.   

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