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Melena
The presence of dark, tarry, and sticky feces caused by the digestion of blood originating from the upper gastrointestinal tract.
Key Facts
- It indicates bleeding from the stomach or proximal small intestine where stomach worms feed.
- The dark color results from hemoglobin being broken down by digestive enzymes.
- Melena is often accompanied by other signs of gastrointestinal blood loss.
- Identifying melena helps veterinarians localize the source of internal bleeding.