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. 2023 Jun 19;32(2):e006023. doi: 10.1590/S1984-29612023027

Table 1. Effective concentrations of cinnamaldehyde, citronellal, anacardic acid and geraniol for inhibiting 50% and 95% of egg hatching (EC50 and EC95), confidence intervals (95% CI) and resistance factors for Haemonchus contortus isolates KOK, ISE and ECH.

H. contortus isolates EC50 (μM) 95% CI RF50 EC95 (μM) 95% CI RF95
KOK 133.6 (128.5 - 138.9) 0.94 295.6 (263.5 - 337.6) 0.98
Cinnamaldehyde ISE 142.8 (137.7 - 148.1) 1.00 301.1 (270.4 - 340.8) 1.00
ECH 133.2 (126.7 - 140.0) 0.93 283.2 (245.8 - 335.8) 0.94
KOK 294.5 (268.6 - 322.9) 0.95 1,083.1 (801.9 - 1,615.2) 0.33
Citronellal ISE 308.7 (276.6 - 344.5) 1.00 3,317.3 (2,300.2 - 5,120.1) 1.00
ECH 350.6 (322.4 - 381.3) 1.14 2,008.2 (1,494.2- 2,892.9) 0.61
KOK 16.97 (16.30 - 17.67) 0.42 46.12 (44.30 - 48.02) 0.89
Anacardic acid ISE 40.44 (27.67 - 59.12) 1.00 52.02 (35.60 - 76.10) 1.00
ECH 34.79 (32.51 - 37.23) 0.86 75.23 (70.29 - 80.50) 1.45
KOK 651.60 (604.3 - 702.6) 0.93 1,851.14 (1,716.77 - 1,996.03) 0.61
Geraniol ISE 697.90 (659.9 - 738.1) 1.00 3,028.71 (2,863.80 - 3,203.17) 1.00
ECH 681.70 (635,9 - 730,8) 0.98 3,440.26 (3,209.13 - 3,688.05) 1.14

EC50: effective concentration for inhibiting 50% of egg hatching; EC95: effective concentration for inhibiting 95% of egg hatching; 95% CI: 95% confidence interval; RF50: resistance factor for EC50 (EC50 of isolate X/EC50 for the ISE isolate); RF95: resistance factor for EC95 (EC95 of isolate X/EC95 for the ISE isolate).