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Jejunal hematoma in cattle: a retrospective case analysis
John M Adaska1, Sharif S Aly, Robert B Moeller
11John M. Adaska, 18830 Road 112, Tulare, CA 93274. jmadaska@ucdavis.edu.
Summary
Clostridium perfringens detection in cattle varied by specimen type, with field necropsy samples yielding the most positive results. Jejunal hematoma cases showed increased C. perfringens detection with live or dead animal submissions.
Area of Science:
- Veterinary Pathology
- Bacteriology
- Food Safety
Background:
- Clostridium perfringens is an important bacterial pathogen in cattle.
- Understanding factors influencing its detection is crucial for accurate diagnosis.
Purpose of the Study:
- To analyze C. perfringens detection rates based on cattle case submission types.
- To investigate diagnostic differences in jejunal hematoma (JH) cases.
Main Methods:
- Retrospective analysis of 16 years of adult cattle submissions to a diagnostic laboratory.
- Comparison of anaerobic cultures and enzyme-linked immunosorbent assays (ELISA) for C. perfringens detection.
- Histological examination of jejunal hematoma cases.
Main Results:
- C. perfringens isolation varied significantly by specimen type (P = 0.001), with field necropsy samples being most sensitive.
- In JH cases, ELISA detected C. perfringens more often with live/dead animal submissions (P = 0.023, P = 0.019).
- Histology of JH suggested vascular or lymphatic dysfunction.
Conclusions:
- Specimen type significantly impacts C. perfringens detection in cattle diagnostics.
- Diagnostic method choice (culture vs. ELISA) matters for JH cases.
- Jejunal hematoma likely results from vascular or lymphatic issues.
