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Severed intestine in channel catfish.
1Department of Wildlife and Fisheries, Mississippi Cooperative Extension Service, Stoneville 38776.
Journal of Wildlife Diseases
|January 1, 1988
Summary
A novel condition of severed intestines was observed in farm-raised channel catfish. This previously unreported fish disease involves complete intestinal loss, with potential causes including ischemia or autodigestion.
Area of Science:
- Aquatic Animal Health
- Fish Pathology
- Veterinary Medicine
Background:
- Farm-raised channel catfish are a significant aquaculture species.
- Intestinal diseases can impact fish health and production.
- Previous reports of intestinal conditions in fish are limited.
Observation:
- Six cases of severed intestines in channel catfish were diagnosed.
- Affected fish exhibited a 4-7 cm hyperemic intestinal section attached to the stomach.
- The remaining intestine was absent, with some cases showing anal prolapse.
Findings:
- This represents a previously unreported condition in fish.
- Possible etiologies include ischemia, autodigestion post-intussusception, or intestinal epithelium degradation.
- The severed intestinal section showed hyperemic characteristics.
Implications:
- Understanding the etiology is crucial for preventing further outbreaks.
- This condition may have significant economic impacts on catfish aquaculture.
- Further research is needed to elucidate the exact cause and develop management strategies.