15 results for Ranavirus (Largemouth bass virus (LMBV))

Impact ID Scientific Name Impact Type Study Type Study Location Impact Description Geographic Location Reference
8539 Ranavirus Disease/Parasite/Toxicity Anecdotal N/A In Michigan, Largemouth bass virus (Ranavirus sp.) mortality events typically have involved 100-500 fish or 10 percent of the population per lake. Lake Michigan, USA 16284
8540 Ranavirus Disease/Parasite/Toxicity Anecdotal N/A However, Ranavirus sp. has also been implicated in several more significant largemouth bass die-offs within the Great Lakes basin, including in Lake George, Indiana—where largemouth bass virus (LMBV) was detected in 90% of fish sampled. 16284
8541 Ranavirus Disease/Parasite/Toxicity Anecdotal N/A Prevalence of Ranavirus sp. in the state of Michigan was determined using 2000-2003 virus survey data. When detected (15 of 30 surveyed lakes), prevalence at the other lakes ranged from 6.3% (Lake Orion) to 100% (Lake St. Clair, Sanford Lake, Woodland Lake), with detection of the largemouth bass virus (LMBV) in close to or more than half of the largemouth bass sampled from many of these lakes. Lake Michigan, USA 16295
8542 Ranavirus Disease/Parasite/Toxicity Anecdotal N/A Levels of fish infection varied among sites and between sample years. For example, the virus was detected in Lake Orion at 6.3% prevalence in 2002 and then at 48% in 2003. In Woodland Lake, Ranavirus sp. was detected at 100% prevalence in 2002 and at 60% in 2003. The virus was also detected in Lake George at 90% prevalence in 2000 and 0% prevalence in 2002. This may suggest that the virus enters a water body, infects the population until a peak infection rate is observed, and then prevalence decreases. Lake Michigan, USA 16295
8543 Ranavirus Disease/Parasite/Toxicity Observational Field Other Great Lakes native species susceptible to infection by Ranavirus sp. include smallmouth bass (Micropterus dolomieui), bluegill (Lepomis macrochirus), crappie (Pomoxis spp.), and chain pickerel (Esox niger). However, mortality events attributed to largemouth bass virus (LMBV) are rare in these species. United States 16280
8544 Ranavirus Disease/Parasite/Toxicity Observational Field Ranavirus sp. was implicated in the die-off of largemouth bass in the northern Mississippi drainage reservoir. 16287
8545 Ranavirus Disease/Parasite/Toxicity Anecdotal N/A Symptoms of largemouth bass virus (LMBV) can include lethargy, decreased responsiveness, swimming at the surface and/or in circles, and difficulty remaining upright. 16279
9651 Ranavirus Disease/Parasite/Toxicity Anecdotal N/A In Steuben County, Indiana lake, largemouth bass virus (Ranavirus sp.) resulted in the death of 50 percent of the lake’s largemouth bass population. Steuben County, Indiana lake, Indiana, USA 42781
9652 Ranavirus Disease/Parasite/Toxicity Anecdotal N/A Ranavirus sp. was implicated in the die-off of over 1,000 largemouth bass in South Carolina. 42782
9653 Ranavirus Disease/Parasite/Toxicity Observational Field Ranavirus sp. was implicated in the die-off of over 3,000 largemouth bass in a northern Mississippi drainage reservoi. Mississippi River, USA 16287
9654 Ranavirus Disease/Parasite/Toxicity Anecdotal N/A In 2010, Largemouth bass virus (LMBV)was detected in 40 percent of the largemouth bass in Kerr Reservoir and Buggs Lake, Virginia. Small die-offs also occurred in Briery Creek Lake and Sandy River Reservoir, Virginia. However, no significant impacts to the fisheries were realized. 42784
9655 Ranavirus Disease/Parasite/Toxicity Anecdotal N/A Die-offs have also occurred in Alabama, Georgia, Louisiana, Mississippi, and Texas from largemouth bass virus. USA 42782
9656 Ranavirus Disease/Parasite/Toxicity Anecdotal N/A Since 1995, over 25 fish kills throughout the southeast and Midwestern U.S. have been linked to largemouth bass virus. USA 42783
9657 Ranavirus Disease/Parasite/Toxicity Anecdotal N/A Initial exposure to largemouth bass virus elicits antibody production, resulting in less severe disease manifestation in subsequent exposures. 16280
9658 Ranavirus Disease/Parasite/Toxicity Anecdotal N/A in Florida, largemouth bass die-offs associated with largemouth bass virus (LMBV) have declined since first detection and no known die-offs have been observed since 2010. Florida 42783

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