USDA ARS ARonline Magazine

United States Department of Agriculture

AgResearch Magazine

ARS Home l About ARS l Contact ARS
AR Research Magazine
 
ARS scientists working with petri dishes in the lab
Microbiologist Tim Welch (right) and technician Jennifer Lipscomb examine cultures for the bacterium that causes weissellosis in fish. (Stephen Ausmus, D3909-1)
A female rainbow trout
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 in tank opening their shells to eat
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
Catfish infected with Ich (Ichthyophthirius multifiliis), a protozoan parasite that causes white spots on the fish. (Cindy Ledbetter, D1937-1)
Back To Top