| Summary: | 碩士 === 國立中興大學 === 獸醫學系暨研究所 === 105 === In this study, a three year (2013-2015) data bank including 186,044 dogs cases collected from nine hospitals of the National Animal Hospital Chain System was used to investigate the prevalence of canine diseases in Taiwan. Based on the date of treatment, gender, age, variety, and disease diagnosis, data was divided into 19 categories of disease systems. In these three years, the highest prevalence of canine diseases was dermatological disorders (22.01% for males, 22.02% for females), followed by digestive disorders (15.04% for males, 15.19% females) and otitis media (8.52% for males, 7.92% females). The prevalence of unknown factors disease, endocrine and nutrition metabolic disorders, dermatological disorders, musculoskeletal disorders, genitourinary disorders, digestive, circulatory, sterilization and tumor disorders increased with years. In contrast, the prevalence of poisoning, congenital malformations, otitis, immune / blood diseases, respiratory, parasites and infectious disorders decreased with years. In terms of gender-based analysis, male has significantly higher tendency suffering from dental, otitis, musculoskeletal, immune /blood, emergency care, digestive, neurological, circulatory disorders (male>female, p <0.05). On the other hand, female has significantly higher tendency suffering from endocrine, nutrient metabolism, congenital malformations, genitourinary and tumor disorders (female>male, p <0.05). Based on the age of the animal, the prevalence of unexplained disease, dental, genitourinary, neurological, eye, circulatory system, tumor disorders increased with age. The prevalence of poisoning, digestive, parasites and infections, sterilization disorders decreased with age. Nonetheless, the prevalence of emergency care, congenital malformations disorders, is not age-dependent. Disorders in endocrine, nutritional metabolism, musculoskeletal, and respiratory systems were prevalent in juvenile and old dogs. However, dermatological diseases and otitis, immune / blood disorders were evaluated as common diseases in adult dogs.
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