Affiliation:
1. Veterinary Science Department, South Dakota State University, Box 2175, Brookings, SD 57007
Abstract
Of 1,799 accessions of ovine abortions and stillbirths by the South Dakota Animal Disease Research and Diagnostic Laboratory during a IO-year period, 1,784 were suitable for examination. Etiologic diagnoses were made in 786 (44%). Infectious agents were found responsible in 702 accessions (39%), and noninfectious causes were involved in 84 (5%). No diagnosis was made in 998 accessions (56%), 61 of which were mummified fetuses. Lesions, most of which indicated the presence of an infectious agent, were found in 274 cases (15%) in which no agent could be identified. Together, Toxoplasma gondii, Campylobacter sp., and Chlamydia psittaci caused −25% of all abortions and stillbirths examined.
Cited by
70 articles.
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