Udder Cleft Dermatitis (UCD) in Dairy cow: Almost incurable even fatal dermatitis

Based on clinical findings, laboratory results and histopathology in this research, the presence of UCD in the dairy farms of Iran is announced and confirmed for the first time.After more than three decades after the diagnosis of this disease, its etiology, epidemiology, risk factors, durations of disease, disease process and treatment have many unknown dimensions.The risk factors related to the farm environment included the type of stall, ventilation equipment, number of ventilators, stall floor shape, frequency of litter cleaning and bed charging, type of bed cleaning device, use of lime and its frequency were significantly associated with the disease.There was a significant association between the severity of injuries and some of the characteristics of wound appearance such as the presence of foul-smelling, bleeding, exudate, scar tissue, granular tissue and coverage.The result of the PCR test for treponema from UCD wound samples (31), DD (4) and healthy cleft skin (10) were positive in 22.6%, 50% and 0% of cases, respectively.In histopathological examination, injuries similar to digital dermatitis and the presence of treponema were reported.Two treatment methods include 1. package of Ceftiofur Hydrochloride (Excenel), Nitrofurazone ointment, Flunixin meglumine, Povidone-iodine and 2. Zinc and copper sprays were introduced as the best treatments respectively.