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Table 5 Bioassay data for pre-adult II (males and females) and young adult males exposed to H2O2 for 30 min

From: Candidate genes for monitoring hydrogen peroxide resistance in the salmon louse, Lepeophtheirus salmonis

Louse strain H2O2 exposure data EC50 (ppm) (90% CI)
Ls A laboratory strain (Ref)a 2013; 10–12 °C;
N and dose
216 (153–305)
Ls V F0 (Ref)a 2013; 10–12 °C;
N and dose
2127 (1253–3610)
Ls V F1 (Ref)a 2013; 10–12 °C;
N and dose
1767 (1494–2090)
Ls V laboratory strain before H2O2 selection 2017; 10–11 °C;
N: 25 females and 22 males;
0, 600, 1400, 2200, 3000, 4200 ppm
Females: 1635 (734–3643);
Males: 1795 (1095–2943)
Ls V laboratory strain (F5) after H2O2 selection 2019; 10 °C;
N: 130 females and 118 males;
0, 600, 1400, 2200, 3000, 4200 ppm
Females: 2441 (2012–2961);
Males: 1861 (1482–2337)
  1. Notes: H2O2 exposure data: year; water temperature; N, total number of lice used (all chemical concentrations together); doses (ppm = mg l−1)
  2. aRef: Previously published data for Ls V (resistant strain) and Ls A (sensitive strain) in Helgesen et al. 2015 [11]. EC50 values for males and females together; 95% CI. General nominal concentration ranging from 0 to 5000 ppm, adjusted for each strain. N not available
  3. Abbreviations: EC50, concentration affecting 50% of the lice; CI, confidence interval; Ls A, sensitive strain; Ls V, H2O2-resistant strain