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Infection is usually associated either with swimming, preparing sea food, or with keeping or working with aquarium fish. [2] Infections of humans are rare due to the chlorination of water. [4] The bacteria penetrate the skin through trauma, usually from bites, injuries from fins, and penetration from foreign objects. The infection is not ...
Enteric redmouth disease, or simply redmouth disease is a bacterial infection of freshwater and marine fish caused by the pathogen Yersinia ruckeri. It is primarily found in rainbow trout (Oncorhynchus mykiss) and other cultured salmonids. The disease is characterized by subcutaneous hemorrhaging of the mouth, fins, and eyes.
Enteric redmouth disease is a bacterial infection of freshwater and marine fish caused by the pathogen Yersinia ruckeri. It is primarily found in rainbow trout and other cultured salmonids. The disease is characterized by subcutaneous hemorrhaging of the mouth, fins, and eyes. It is most commonly seen in fish farms with poor water quality.
Bacterial infections are treated with water changes and gram-negative antibiotics like Kanaplex. Often if the swim bladder has already been damaged, it cannot be repaired. Vibrosis: Vibrio bacteria: All: Discoloration, reddish staining of fins, bulging eyes, lethargic behavior: Medicated food Pseudomoniasis: Pseudomonas bacteria: All
For the infection to develop in humans, the two main factors required are exposure to contaminated water, and abrasion or injury to the skin. Hence, this infection is commonly seen in individuals who clean fish tanks, handle ornamental fish and work in wet fields.
The bacteria are ubiquitous in fresh water, and cultured fish reared in ponds or raceways are the primary concern – with disease most prevalent in air temperatures above 12–14 °C. Due to the appearance of bacterial clumps, it can be mistaken for a fungal infection. The disease is highly contagious, and the outcome is commonly fatal.
Symptoms include vomiting, diarrhea, and abdominal pain. Necrotizing wound infections can occur in injured skin exposed to contaminated marine water. V. vulnificus bacteria can enter the body through open wounds when swimming or wading in infected waters, [3] or by puncture wounds from the spines of fishes such as stingrays.
This bacteria causes lesions in the vascular endothelium, leading to hemorrhages and petechias at the surface of internal organs. [2] As few as 10 bacterial cells per fish can cause an infection. L. garvieae is isolated in saltwater fish in the Far East and specifically in European rainbow trout. [3]