Probiotic toxin fights coldwater disease in rainbow trout

The rainbow trout is a work of art but when the freshwater fish falls prey to Coldwater Disease, its colorful body erodes into ragged ulcers. The bacterial infection can kill up to 30 percent of hatchery stock and causes millions in economic loss. Now, scientists have found a simple and effective method to combat Coldwater Disease using some of the trout's own intestinal bacteria as probiotics. ...read more