Deafness in Rottweilers

Researchers from the University of Helsinki and the Folkhalsan Research Center have located the variant in the LOXHD1 gene that causes deafness in Rottweilers. This type of deafness starts in puppyhood and progresses until the puppy is a few months old. The gene plays a key role in the function of the cilia of the cochlear sensory cells. Both humans and mice suffer from the same type of deafness.

The researchers also found deafness in mixed breed dogs that were part Rottweiler. The availability to test for the defect will help breeders avoid spreading this inherited deafness. Since this is a recessive issue, it will only occur in puppies if both the dam and sire have the gene.

Eradicating the defect will take the cooperation of all Rottie breeders. Those dogs that are mixed bred should not be used for breeding.

Author’s Note: It can be difficult to determine if a puppy can hear or not. Realize that dogs can feel sound, so it is important to carefully observe your puppy to determine if he is deaf. Especially if the puppy reacts to sound before he becomes totally deaf. To help dog owners determine if their puppy is deaf watch for a few signs. First, note if the puppy/dog only responds when he sees you. Do not assume if your puppy does not obey that he is being stubborn. Try clapping your hands behind the puppy when he cannot see you. If he does not react in any way, he may be deaf. A deaf dog will bark but usually only if he sees something. Watch to see if your dog looks at you or watches you more than usual. Remember that a deaf dog will rely on his other senses to navigate his world. You can successfully train a deaf dog but when they are in an unconfined area, they must be on a leash. A deaf dog is just as tempted to chase things, wander and stray as any other dog. Find a dog trainer that has experience training a deaf dog for help. If you suspect that your puppy is deaf, make an appointment with a veterinarian neurologist to have your dog tested so that you will know for sure if your dog is deaf or not. But most important, understand that a deaf dog can have a very safe and happy life.  

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