Tag Archives: disease

Louisiana Shrimp Fishermen Face New Challenges – White Spot Disease

The experience is not universal within the nation’s eight shrimp-producing states, nor even within Louisiana. That’s why some shrimpers suspect that undiagnosed trouble may lurk within the local fishery itself. At the tail end of this year’s crawfish season, white spot disease was detected in Louisiana ponds. It’s not too far a jump, some in the industry, to suspect contamination with the virus as a cause for decline. “Is it the same strain that is in the Asian shrimp that gets imported here?” said Acy Cooper, president of the Louisiana Shrimp Association.,,, Jeffrey Marx, the chief shrimp biologist at the Louisiana Department of Wildlife and Fisheries, is skeptical.,,, Fishermen want more research to be done, and some precautions to be taken, however. click here to read the story  for links about White Spot here and Australia click here 08:34

Disease in herring threatens broader food web

0131_KSLO_HerringTiny herring eggs and larvae are eaten by a multitude of invertebrates, such as crabs and amphipods. They are also important to fish, such as juvenile salmon and smelt, as well as numerous marine and diving birds. As herring grow into juveniles and adults, they enter into the larger food web, including numerous marine mammals, from harbor seals to orcas; vast numbers of birds, from tufted puffins to great blue herons; and a wide variety of fish, from Chinook salmon to halibut. Paul Hershberger, research fisheries biologist with the U.S. Geological Survey, has been studying diseases of herring at his lab on Marrowstone Island near Port Townsend. Read the article here 21:22

Legal issues holding up fish-farming complaint to environmental commission

VANCOUVER – An effort by environmentalists, a First Nation and commercial fishermen to use a NAFTA side agreement to force Canada to change the way it polices British Columbia’s salmon farms has bogged down in legal arguments. The groups claim Ottawa is exposing wild salmon to sea lice, disease, toxic chemicals and concentrated waste. [email protected] 16:58