The bachelor thesis is focused on hereditary hernia in dogs. It constitutes of a summary literature review of the most frequently occurring types of hernia. For comparison, there are included non-hereditary hernias. The thesis describes prevalence, clinical symptoms, methods of diagnosis and treatment. The work mentions the genetic basis of the disease, including the method of transmission to the next generation and the estimated heritability. It explains the notions that relate to this topic. At the end of thesis, there are formulated practical advice for breeders.