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Organisms associated with abortion and reproductive problems in cattle
Modern Veterinary Practice
|October 1, 1976
Summary
Bacterial infections, including Streptococcus and Staphylococcus, are common causes of cattle abortion and reproductive failure. Identifying these pathogens is crucial for herd health management and preventing future losses.
Area of Science:
- Veterinary Microbiology
- Animal Reproduction
Background:
- Bovine abortion and reproductive failure significantly impact herd productivity and economic viability.
- Identifying causative agents is essential for effective disease management strategies.
Purpose of the Study:
- To identify the predominant bacterial species associated with bovine abortion and reproductive failure.
- To characterize the prevalence of specific bacterial pathogens in aborted fetuses and reproductive tissues.
Main Methods:
- Bacterial isolation and identification from vaginal, fetal, and placental samples from 14 cattle herds.
- Analysis of over 2000 cattle, with 1810 bacterial isolations.
Main Results:
- Streptococcus, Corynebacterium, Bacillus, and Staphylococcus were the most frequently isolated bacteria.
- Escherichia coli was isolated less frequently; other agents comprised approximately 5% of isolations.
- Lesions in pulmonary, hepatic, renal, and placental tissues were noted in some autolysed fetuses.
Conclusions:
- Specific bacterial species are frequently implicated in cattle reproductive failures.
- Understanding the microbial etiology aids in developing targeted interventions for herd reproductive health.