United States Department of Agriculture
AgResearch Magazine
Atlantic salmon can now be farmed in tank-based water-recirculating systems, increasing U.S. aquaculture production of this fish. (The Conservation Fund, D3905-1)
Oysters and other shellfish are the top U.S. marine aquaculture products. (USDA-NRCS, D3904-1)
Paddlewheels circulate oxygen in a Mississippi catfish pond. (Les Torrans, D3918-1)
Scientists check for diseased fish at an Alabama catfish farm. (Craig Shoemaker, D3919-1)
Microbiologist Tim Welch (right) and technician Jennifer Lipscomb examine cultures for the bacterium that causes weissellosis in fish. (Stephen Ausmus, D3909-1)
ARS scientists developed a new rainbow trout line, ARS-Fp-R, that is resistant to bacterial cold-water disease. Shown is a 2-year-old female from the line. (Stephen Ausmus, D3911-1)
Oysters open their shells to feed (shown here). ARS scientists found a link between shell closure rate and parasite resistance. (Kathryn Markey Lundgren, D3916-1)
Catfish infected with Ich (Ichthyophthirius multifiliis), a protozoan parasite that causes white spots on the fish. (Cindy Ledbetter, D1937-1)
ARS and Oregon State University colleagues assess oyster habitat in an aquaculture system in Humboldt Bay, California. (Brett Dumbauld, D3907-1)
