Peer-reviewed veterinary case report
Liver and kidney damage in red swordtail fish from Aeromonas infection
By Bunnajirakul, S et al.·Published in Tierarztliche Praxis. Ausgabe K, Kleintiere/Heimtiere·2015·View original on PubMed →
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Original publication title: Pathological alterations due to motile Aeromonas infection in red swordtail fish (Xiphophorus helleri).
- Species:
- fish
Plain-English summary
A group of red swordtail fish was experiencing health issues, including swelling in the abdomen and rotting fins, which led to some fish dying. Upon examination, veterinarians found that the fish had enlarged organs and fluid buildup in their bodies, indicating a serious infection caused by motile Aeromonas bacteria. The fish were treated by improving their living conditions and diet, along with using antibiotics to help fight the infection. These changes helped improve the overall health of the fish in the pond.
People also search for: red swordtail fish disease · fish fin rot treatment · Aeromonas infection in fish · improving fish pond conditions · fish abdominal swelling causes
Abstract
A herd of red swordtail fish (Xiphophorus helleri) was reared in outdoor concrete ponds and suffered from occasional mortality. Moribund fishes showing abdominal dropsy and fin rots were sent for diagnosis. Gross necropsy findings showed enlargement of liver, spleen, and kidney in concurrence with congestion, and a severe accumulation of peritoneal fluid. Histopathological findings revealed an alteration of hepatocytes, with a severe diffuse accumulation of fat vacuoles in the cytoplasm. In the trunk kidney, severe accumulation of mononuclear cells together with cloudy swelling of the renal tubular epithelium was observed. From internal organs of the fish motile Aeromonas spp. were identified. The pathological findings might be associated with a long-term infection of affected fish fostered by common stressors such as improper feeding and poor pond environment condition (water temperature). Effective therapeutic measures comprised an advancement of keeping conditions and appropriate feeding to improve the health status in combination with the application of antibiotic substances.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/26527040/