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[Bacteriological and morphological findings in aborted cattle fetuses]
Veterinarno-Meditsinski Nauki
|January 1, 1982
Summary
Bovine fetal abortion investigations identified bacterial pathogens including Trueperella pyogenes and Vibrio fetus in 24% of cases. Lesions were observed in the lungs and liver, but did not help identify the specific bacterial cause.
Area of Science:
- Veterinary Microbiology
- Bovine Pathology
- Infectious Disease
Background:
- Bovine fetal abortions pose significant economic and reproductive challenges in cattle herds.
- Identifying the causative agents of abortion is crucial for effective disease management and prevention.
Purpose of the Study:
- To conduct bacteriologic investigations on aborted bovine fetuses.
- To identify common bacterial pathogens associated with bovine fetal loss.
- To correlate observed fetal lesions with specific etiologic agents.
Main Methods:
- Bacteriologic culture and isolation techniques were employed.
- A total of 142 aborted bovine fetuses were examined.
- Morphologic examination of fetal tissues was performed.
Main Results:
- Bacterial pathogens were isolated from 34 fetuses (24% of cases).
- Commonly isolated bacteria included Trueperella pyogenes, Vibrio fetus, and Escherichia coli.
- Single infections occurred in 80% of positive cases, with mixed infections in 20%.
- Morphologic changes were primarily noted in the lungs and liver of affected fetuses.
Conclusions:
- Several bacterial species are implicated in bovine fetal abortions.
- Fetal lung and liver lesions are common but not specific for identifying the causative agent.
- Further research may be needed to establish definitive links between specific bacteria and pathological findings.