Indiana Fish Diseases
Indiana Fish Diseases
There are a number of Indiana Fish Diseases. Inside this post I am going to share with you a few of the diseases that you could run into. Be on the lookout for anything out of the ordinary that could mean a sick fish.
Red Sore Disease:
One of the most common disease problems encountered in freshwater game fish is generically referred to as “red sore disease.” This problem usually occurs in the spring and fall, and fishermen and pond owners are often concerned by the appearance of red ulcers and sores on their fish. Typically, “red sore disease” is caused by two organisms, Aeromonas hydrophila , a bacterium, and Heteropolaria sp. (formerly Epistylis sp.), a protozoan.
Both of these organisms are found in aquatic environments and are capable of causing disease. Red sore disease will often run its course, and fish may recover without treatment. The primary concern is often not mortality of fish, but rejection of the affected fish by anglers because of the diseased appearance. Occasionally red sore disease can reach epidemic proportions, contributing to significant mortality (more than 10 percent) of game fish. When this is the case, treatment is warranted. (Source: http://edis.ifas.ufl.edu/vm059)
Fish Lice
The condition on those pretty babies is reffered to as “louse” or fish lice. These argulids(I think it is spelled right), get under the scales of fish and cause irritation to the skin. The fish then attempt to dislodge the parasites by rubbing or “flashing” their affected area(s) against a hard object or lake bottom. This actually makes the condition worse because it now opens the skin making it easier for other parasites to adhere to the wound and also promotes fungi growth. Most say the fish is still edible, however I would recommend making cat food out of them instead of consuming or returning them back to the water especially if it is near the spawn.
Large Mouth Bass Virus
Origin is unknown, but it is of the Family Iridovirus and the Genus Ranavirus, related to a virus found in frogs and other amphibians and nearly identical to a virus isolated in some fish imported to the U.S. for the aquarium trade. Although the virus apparently can be carried by other fish species, to date, it has produced disease only in largemouth bass. Scientists do not know how the virus is transmitted or how it is activated into disease. In addition, they know of no cure or preventative, as is commonly the case with most viruses.
Yes. LMBV is not known to infect any warm-blooded animals, including humans. But common sense should prevail at all times: Thoroughly cook fish that you intend to eat. Also, fish that are dead or dying should not be used for human food, regardless of the cause of the illness
Channel Catfish Virus Disease (CCVD)
CCVD is a particularly devastating catfish illness that can have a large economical impact for catfish farms. Caused by a herpes virus (Ictalurid herpesvirus 1), it can spread quickly and kill large quantities of junior catfish and fry. Infected fish will show prominent symptoms such as hemorrhaging fins, pop eye (exopthalamus) and swollen abdomens (ascites). Fish that do not die from CCVD remain covert carriers of the virus, which is not detectable through culture during the latent stage. Methods of control include housing incubating eggs and fry separate from carrier communities and the avoidance of stressful handling of juveniles during warm months.
Read more: Freshwater Catfish Diseases | eHow http://www.ehow.com/list_6075540_freshwater-catfish-diseases.html#ixzz2VlmM45wi
Proliferative Gill Disease (PGD)
PGD is a serious condition that causes death through oxygen deprivation. The origins of this affliction remained a mystery for some time. However, the cause was eventually discovered to be a protozoan known as Aurantiactinomyxon ictaluri. The spores of this parasite are released into mud through the intestines of host worms. Once out of the host, these spores attach themselves to the gills of catfish. Disease can occur at all life stages and is characterized by swollen, blood-streaked gills. Infected fish cease feeding and move around lethargically, piping for oxygen until death occurs. There is no known cure for PGD; treatment methods include water aeration and the exchange of water with an unaffected pond.
Read more: Freshwater Catfish Diseases | eHow http://www.ehow.com/list_6075540_freshwater-catfish-diseases.html#ixzz2VlmWIrxa
Brown Blood Disease
During cooler months, an overabundance of ammonia can occur in ponds. This spurns a feeding frenzy among ammonia-eating bacteria, which produce a waste material called nitrite. At elevated levels, nitrite can infiltrate the gills of catfish, resulting in the oxidation of hemoglobin in red blood cells. The resulting compound, methemoglobin, cannot carry oxygen and can therefore induce suffocation. Infected catfish may have blood that ranges in color from reddish to deep brown, depending on saturation level. Brown blood disease is easily prevented by maintaining adequate chloride levels (at least 60 ppm during fall months) in the water supply. This can be done with the addition of salt (NaCl).
Read more: Freshwater Catfish Diseases | eHow http://www.ehow.com/list_6075540_freshwater-catfish-diseases.html#ixzz2Vlmud4e3
Viral Hemorrhagic Septicemia virus (VHS)
Viral hemorrhagic septicemia (VHS) is a deadly infectious fish disease caused by the Viral hemorrhagic septicemia virus (VHSV, or VHSv). It afflicts over 50 species of freshwater and marine fish in several parts of the northern hemisphere.[1] VHS is caused by the viral hemorrhagic septicemia virus (VHSV), different strains of which occur in different regions, and affect different species. There are no signs that the disease affects human health. VHS is also known as “Egtved disease,” and VHSV as “Egtved virus.”[2]
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