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Old 05-03-2006, 11:54 AM
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Bob Parsons Bob Parsons is offline
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Striped Bass Skin Disease

MarineFisheries Advisory




UPDATE TO SALTWATER ANGLERS ABOUT STRIPED BASS SKIN DISEASE





The striped bass skin disease reported in a recent Boston Globe article is not a new disease to fish biologists and is not considered a serious health risk by regional public health agencies. It is known as Mycobacteriosis and was first identified on striped bass in Chesapeake Bay in 1997. Fish that contract this disease develop a bacterial infection that results in inflammation, tissue destruction and formation of scar tissue in one or more organs. While Mycobacteriosis can be transmitted to humans through direct contact with infected fish or water, this disease can be treated with antibiotics; the bacteria responsible for this disease are not flesh-eating. Any persons with questions or concerns should contact a physician.



Myobacteriosis in Striped Bass
Signs of infection in striped bass are first noted in internal organs such as the spleen and kidney. Nodules (called granulomas) composed of inflammatory cells and fibrous connective tissue form in response to the bacteria in an attempt to stop the infection. An increase in the number and size of granulomas leads to the formation of extensive scar tissue and eventual loss of normal tissue architecture. This disease progresses slowly in fish and has been characterized as a “wasting disease” due to loss of body mass and emaciation. Striped bass may contract the disease because of weakened health caused by poor water quality and forage-related issues in Chesapeake Bay.



Many striped bass from Chesapeake Bay reside in coastal waters of Massachusetts between May-October. However, MarineFisheries has not received any reports of external lesions and has not observed any internal signs of the disease in fish examined over the last two years. We are unsure why the disease has not been observed in Massachusetts, but some scientists suggest that the Chesapeake Bay migratory stock may be less susceptible to disease because they stay only about two months in the Bay to spawn and have reduced chances of exposure (most of the fish reported to have the disease in Chesapeake Bay are the year-round residents) or the disease is eliminated or becomes lessened once the fish move into colder, cleaner, ocean water and experience better food supplies.



Anglers have inquired if striped bass that have been “tainted” with Mycobacteriosis are still edible. The answer is yes! A recent check of published medical studies by Maryland Department of Health on this kind of infection in human beings shows that eating properly prepared and cooked rockfish has not been associated with human mycobacterial illness. They recommend that people not consume any raw striped bass or any fish that appears diseased. In preparing striped bass for consumption, common sense should prevail. Fish with open, reddened lesions on the body or with signs of hemorrhage or darkened patches in the fillets should be discarded. Fish that appear to be healthy and are properly cooked are safe to eat. While handling an infected striped bass, especially if the skin is cut or scraped, can lead to skin infections, simple hygiene precautions can prevent this.



Human Myobacterial Illness Is Treatable
Infections in humans are generally limited to the extremities such as fingertips and feet, but may involve the joints, bones and lymph nodes. Individuals with cuts or scrapes are at higher risk for infection. The most frequent symptom is the formation of a persistent bump or nodule under the skin. Additional symptoms may include the formation of ulcers, swelling of lymph nodes and joint pain.



When handling any type of fish, use a few practical and simple precautions: 1. wear heavy gloves and boots to avoid puncture wounds from fish spines; 2.If cuts, scrapes or other open or inflamed areas of the skin are present, cover hands and wrists with an impermeable barrier (like a rubber or vinyl glove) to prevent any bacteria from getting into the soft tissue under the skin where Mycobacterium organisms are known to cause infections; 3. Dispose of any leftover fish parts after preparing raw fish; 4. Wash off all cutting boards, surfaces, knives and other utensils used to process raw fish with warm soapy water. (Source: Maryland Department of Natural Resources.) Again, this disease can be treated with antibiotics, and any persons with questions or concerns should contact a physician.
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Old 05-03-2006, 01:59 PM
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I don't know if anyone remembers, but two summer back I contracted a horrible skin infection/lesion which not only my doctor, but the emergency room doctors could not explain. Their only explaination was the old "spider bite" theory . But, I'd know if I was bite by a spider. The fishing was excellent that summer, and my hands were like hamburg from handling fish.
It began with a tiny, bright red, raised nodule. It would stink like hell. Then, within 12 hours the swelling would begin. The first time I got it was in my left hand, at the base of my thumb. Within 36 hours, my hand had swollen to the size of Jason Veritek's catchers mit, then turned purple. Next was a 101-102* fever, followed by a bright red streak up my arm, elbow, and eventually to my neck and lymph nodes.
To the ER. Treatment was 3 large shots in my a$$ of mega anti-b's, followed by 500mgs of cephalexin 4X daily. I missed four days of work, and almost 3 weeks of fishing.
Here's the odd part. This senerio repeated itself 6 more times, right into December. Long after I quit fishing for the year. Each flare-up involved a lesion on my are, hand or leg, fever, lymph node involvement, followed by a visit to the ER, and oral anti-b's.
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Old 06-27-2008, 06:32 AM
sofia sofia is offline
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Hi friend, do you know that most of the skin diseases come from public swimming pool? A study published in the June 2008 issue of CDC's journal Emerging Infectious Diseases looked at 160 public pools in the Atlanta area to determine how common the two parasites are, even at times when they aren't causing outbreaks of illness. Researchers analyzed samples from swimming pool filter systems collected at the end of the swim season and found that one in 12 contained evidence of one or both parasites. With the methods used, the researchers could not determine if these parasites were alive or could cause disease. While 1 in 12 may not seem like a lot, it means that swimmers are coming into contact with these parasites even when health officials don't realize the germs may be causing illness. Children's pools, community pools and smaller-sized pools with less water accounted for most of those that were contaminated. Pools that had fewer swimmers per week were also more likely to contain the two parasites.

These parasites are spread when someone swallows pool water contaminated with feces, eats contaminated food or handles contaminated diapers without washing their hands.

Swimmers can follow these basic steps to help protect themselves and other swimmers from these germs:

* Do not swim when you or your children have diarrhea.
* Don't swallow the pool water and avoid getting it in your mouth.
* Practice good hygiene - take a shower before swimming, take your kids on frequent bathroom breaks, and change babies' diapers in the bathrooms, not at poolside.

you can read more about this story from here
http://skin-disorder.blogspot.com/20...ing-pools.html


thank you
sofia


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Skin disorder requires clinical care by a physician or other healthcare professional. In this blog there is information on common skin disorders, including acne, bed sore, dry skin, calluses, corns, keratosis pilaris, psoriasis, and pityriasis rosea
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Old 06-28-2008, 04:11 PM
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That information is interesting but............I don't think this thread is about Striped Bass that contracted a skin disease from swimming in a pool...
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