Rach, J.J., T.M. Schreier, and G.E. Howe. 1998. Efficacy of hydrogen peroxide treatments to control and prevent Saprolegniasis infections on salmonid eggs. Final report submitted to Division of Therapeutic Drugs for Food Animals, Center for Veterinary Medicine (FDA). April 21, 1998. 134 pp. In comparison to the controls, hydrogen peroxide controlled or eliminated the spread of fungus to healthy eggs in most species tested. Fungus was present on all untreated control eggs of the species tested, except for the northern pike eggs which were free of fungus on all eggs tested (including treatment groups). Only the lake sturgeon had visible fungus present on treated eggs. Treated eggs of all other species were free of fungus. Hydrogen peroxide treatments of 1,000 and 3,000 mg/L increased hatch in all species in comparison to the control group, with the exception of the paddlefish eggs in the 3,000 mg/L group. The highest percent hatch for all species was in the 1,000 mg/L treatment group except lake sturgeon where the highest hatch was in the 3,000 mg/L treatment group.