[font "arial"][size 2]I found this interesting....
mike
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[url "http://www.suite101.com/profile.cfm/FisherMike"][#990000]Stanley M. Campbell[/#990000][/url]
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[font "arial"][size 2] I recently read a newspaper article that shocked and dismayed me. The U.S. Fish and Wildlife Service at the LaCrosse Fish Health Center in Wisconsin has found a virus affecting large mouth bass populations has been found in all tested locations in Illinois. (My home state).
It is part of a nationwide protocol to conduct research and to test for the virus labeled LMBV, large mouth bass virus. Illinois has found the virus at its hatcheries at several lakes in Illinois. This means major loss of bass throughout the state. This disease has also been found in large mouth bass in at least 15 other states that have tested for the disease. It is possible that it is in more states that haven’t tested.
"Largemouth bass virus seems to be triggered by a combination of stress and heat", says Mike Conlin, IDNR Fisheries Chief. Presence of the virus in a population does not mean the fish have disease, nor is it an indication that they will have the disease in the future,".
Mr. Colin said the fish are more likely to be impacted by the disease when they are stressed. Stress factors are brought about by water temperatures that become too warm, low oxygen levels, and frequent handling usually caused by too many bass tournaments. Biologists noticed that the only fish in the hatcheries testing positive for the LMBV were under stress. Even if the fish tested positive for the virus does not mean they will show signs of illness unless they are under stressed conditions.
The LMBV first gained attention in 1995 when it was found to be the cause of a fish die off in South Carolina. It is one of more than 100 naturally occurring viruses that affect fish. Although this virus can be carried by other fish species, such as crappie and bluegill, it is only fatal to large mouth bass and not carried at all by warm-blooded animals.
Most fish carrying this disease seem completely normal until they are stressed and dying. Dying bass may be found near the surface having difficulty swimming and remaining upright. They may also appear bloated. LMBV attacks the swim bladder which causes the bass to lose their equilibrium.
LMBV positive bass are safe to handle and eat.
Scientists don’t know what long-term effects this disease will have on the large mouth bass population, but there are some ways we fisherman can help. Anglers can help minimize the impact of LMBV by draining all water from the bilge and live wells and clean boats, trailers and other equipment thoroughly between fishing trips to prevent transporting the virus from one body of water to another. This virus can live for several hours in water. Do not move fish from one body of water to another. Do not release live bait into the water. When you release bass, handle the fish as gently as possible to reduce stress. The IDNR also suggests holding tournaments during cooler weather so that fish caught will not be as stressed by hot water and low oxygen levels.
We fishermen owe it to the preservation of the large mouth bass to take whatever measures we can to keep these fish healthy for our future generations of bass fishermen.[/size][/font]
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Author:
[url "http://www.suite101.com/profile.cfm/FisherMike"][#990000]Stanley M. Campbell[/#990000][/url]
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