| etiologic agents detected in a 10-year study of bovine abortions and stillbirths. | during a 10-year period, specimens from 8,995 bovine abortions were submitted to the south dakota animal disease research and diagnostic laboratory; 8,962 of these specimens were suitable for examination. a supportable diagnosis was made in 2,942 (32.82%) of the abortions examined. an infectious cause was determined for 2,723 (30.38%) and a noninfectious cause for 219 (2.44%). bacteria caused 1,299 (14.49%), viruses caused 948 (10.57%), and fungi caused 476 (5.31%). the infectious bovine rhinotr ... | 1992 | 1616982 |