Occurrence of progressive and corrosive lesions in perineal area of a Kurd stallion due to oxyuris equi

In Autumn of 2018 a Kurd stallion with symptoms of itching and some deep and corrosive lesions in above of perineal region and around anus was examined at one of equestrian clubs of Tabriz province. Vital signs of animal were normal. The wounds had spread around the rectum and below the tail, a big corrosive and progressive lesion had developed. After collecting feces samples and parasitological test, eggs and even larvae of Oxyuris equi were observed. According to the clinical and parasitological examinations, involvement of Oxyuriasis was considered. Treatment of the disease started with anti-parasitic drugs such as Pyrantel, Oxybendazole and Ivermectin, although the lesions were disinfected with iodide solution, vitamin A+D ointment and Tetracycline. The lesions were 90% recovered by 20 days after treatment. As in the report, Oxyuriasis can be seen unusual form as corrosive and progressive lesions in perineal region in even adult horses.