The aim of this study was to determine the etiology in the kids showing signs of respiratory disease. The samples taken from the kids died in Bingol province were the material of the study. The necropsies of dead kids was held in Bingol University, Faculty of Veterinary Medicine, Department of Pathology. Fibrinous pneumonia findings were observed in the histopathological examination. At the same time, blood, stomach contents, intestine, kidney, lung and liver samples were taken and examined in the laboratory. Lung, kidney and liver tissue samples were found Mycoplasma positive, but Mannheimia haemolytica was observed only in the lung. After detecting Mycoplasma, DNA sequences were analyzed. Consequently, Mycoplasma arginini and Mannheimia haemolytica were determined as causative agent of respiratory disease in this case.