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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