Deafness
Congenital sensorineural deafness is a hereditary condition causing partial or complete hearing loss, often present at birth.
Detailed Description
Congenital sensorineural deafness is due to degeneration of the cochlear hair cells in the inner ear, leading to irreversible hearing loss. It can be unilateral or bilateral and is often associated with certain pigment genes. Affected dogs may have difficulty responding to sounds and training cues.
Common Symptoms
- Failure to respond to sounds
- Difficulty training
- Excessive barking
Management Options
- Training adaptations for deaf dogs
- Do not breed affected dogs
Frequently Asked Questions
Can deafness be detected in puppies?
Yes, with BAER testing as early as 5-6 weeks old.
Is deafness always bilateral?
No, it can be unilateral or bilateral.
Should deaf dogs be bred?
No, to reduce prevalence in the breed.
Condition Details
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Typical Age of Onset
Congenital (present at birth, but may not be noticed until several weeks old)
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Testing Available
Yes
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Diagnosing Methods
BAER testing (Brainstem Auditory Evoked Response)
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Preventative Measures
BAER screening of breeding stock; Avoid breeding affected or carrier dogs
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Related Conditions
Acquired deafness (age-related, ototoxicity)