Abstract
Impacts of Feeding Three Commercial Trout Starter Diets to Rainbow Trout on Bacterial Coldwater Disease-Induced Mortality
Highlights
Bacterial Coldwater Disease (BCWD) is caused by Flavobacterium psychrophilum, and exhibits a profound impact on salmonid culture worldwide[1,2,3,4]
Nutrition has been suspected as a possible influence of the disease by Barnes and Brown (2011), but there is an absence of studies evaluating the effects of diet on BCWD
Percent mortality was significantly higher for fish fed the Skretting starter crumble diets than fish fed Bio-Vita, while mortality in the tanks fed BioPro 2 was not significantly different from the other two diets
Summary
Bacterial Coldwater Disease (BCWD) is caused by Flavobacterium psychrophilum, and exhibits a profound impact on salmonid culture worldwide[1,2,3,4]. While BCWD, known as Rainbow Trout Fry Syndrome, affects many different salmonid species, juvenile rainbow trout (Oncorhynchus mykiss) are susceptible[3,4]. Antibiotics are commonly used to treat BCWD infections, but Flavobacterium psychrophilum quickly develops antibiotic resistance[5,6]. In addition to antibiotics, improved water quality, decreased fish handling, and prompt mortality removal may all possibly alleviate the negative effects of BCWD (Cipriano and Holt, 2005; Barnes and Brown 2011; Starliper 2001). Nutrition has been suspected as a possible influence of the disease by Barnes and Brown (2011), but there is an absence of studies evaluating the effects of diet on BCWD
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