Sorensen G H
Acta Vet Scand. 1975;16(2):218-25. doi: 10.1186/BF03546676.
On the basis of biochemical and serological criteria 2 hemolysin forming varieties of peptococci were identified as Peptococcus indolicus. Of a total of 16 hemolytic strains examined 9 originated from the vagina of clinically healthy cows, 4 from mastitis secretions from dry cows, 2 from the interdigital skin of clinically healthy sows, and 1 from a subcutaneous abscess in a pig. Two strains were designated a-hemolytic and 14 β-hemolytic. On blood agar plates colonies of the α-hemolytic variety were surrounded by narrow zones of almost complete hemolysis, while colonies of the β-hemolytic variety were surrounded by broad zones of incomplete hemolysis. The hemolysins were termed α- and β-hemolysin, respectively. The β-hemolysin, but not the α-hemolysin, could be demonstrated in cultures grown in liquid media. The β-hemolysin was found to be filtrable, relatively thermoresistant, and non-dermonecrotic. By gel diffusion analyses the 2 α-hemolytic strains were referred to Serotype C. Ten of the β-hemolytic strains belonged to Serotype C, 2 to Type B, 1 to Type D, and 1 to Type E.
根据生化和血清学标准，鉴定出2种形成溶血素的消化球菌变种为吲哚消化球菌。在所检测的16株溶血菌株中，9株来自临床健康奶牛的阴道，4株来自干奶牛的乳腺炎分泌物，2株来自临床健康母猪的趾间皮肤，1株来自猪的皮下脓肿。2株为α溶血，14株为β溶血。在血琼脂平板上，α溶血变种的菌落被几乎完全溶血的狭窄区域包围，而β溶血变种的菌落被不完全溶血的宽阔区域包围。溶血素分别称为α溶血素和β溶血素。在液体培养基中生长的培养物中可检测到β溶血素，但检测不到α溶血素。发现β溶血素可过滤、相对耐热且无皮肤坏死作用。通过凝胶扩散分析，2株α溶血菌株属于血清型C。10株β溶血菌株属于血清型C，2株属于B型，1株属于D型，1株属于E型。
