The actual zinc phosphide concentrations in baits treated with 2% and 1% AQ were 1.45% and 1.66% zinc phosphide, respectively, upon completion of
laboratory performance experiments. b Consumption statistics in parentheses were calculated by assuming 2% zinc phosphide concentration. Consumption figures in bold exceed the reported
median lethal dose of zinc phosphide for rodents (LD50 = 45.7 mg/kg; Clarkson, 2001).