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Table 3 Faecal egg count reduction (FECR) (and 95% confidence intervals) and the EC50 (and 95% confidence intervals) in the egg hatch test with cattle naturally infected with strongyle nematodes before and after oral administration of albendazole at a dose of 7.5 mg/kg body weight to the treated groups at five different study areas in South Darfur State, Sudan

From: Susceptible trichostrongyloid species mask presence of benzimidazole-resistant Haemonchus contortus in cattle

Study area No. of animals in each trial Day 8 Day 14 EC50 (µg/ml thiabendazole)
FECR (%) unpaireda FECR (%) paireda FECR (%) unpaireda FECR (%) paireda
Beleil Control: n = 6 99.9 (98.7–100) 99.9 (99.5–100) 99.9 (98.8–100) 99.9 (99.5–100) 0.011b (0.009–0.014)
Treated: n = 11
Kass Control: n = 5 99.7 (95.8–100) 99.7 (98.9–100) 99.5 (84.1–100) 99.5 (98.3–99.9) 0.012b (0.005–0.028)
Treated: n = 11
Nyala Control: n = 10 95.2 (88.2–98.7) 96 (93.4–98.2) 93.7 (84.9–97.6) 94.6 (92.6–96.8) 0.032b (0.023–0.046)
Treated: n = 20
Rehed Al-Birdi Control: n = 10 91.3 (46.4–98.5) 92.9 (91.8–94) 89.7 (46.1–97.8) 92 (90.9–93) 0.034b (0.017–0.065)
Treated: n = 20
Tulus Control: n = 10 90.7 (49.8–98.8) 90.9 (89.6–92.3) 88.2 (54.0–98.4) 88.5 (87.2–90.1) 0.037b (0.025–0.057)
0.113c (0.036–0.356)
Treated: n = 20
  1. aFECRs were calculated either by comparing data post-treatment between treatment and control group (unpaired) or between data before and after treatment (paired)
  2. bSamples collected on day 0
  3. cSamples collected from albendazole treated group on day 14