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Table 4 Detection of trichostrongyloid genera in third-stage larvae obtained from faecal samples pooled on farm level at five different study areas in South Darfur State, Sudan, before and after treatment of cattle with albendazole, using genus-specific PCR

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

Study area Day of sample collection No.a No. of positive pools
    Haemonchus Trichostrongylus Cooperia
Beleil 0 1 1 1 1
  14 n.a.
Kass 0 5 5 5 5
  14 1 1 1 1
Nyala 0 7 7 7 7
  14 2 2 2 2
Rehed Al-Birdi 0 9 9 9 9
  14 4 4 3 2
Tulus 0 5 5 4 4
  14 6 6 2 2
Total of pre-treatment samples (and %) 27 27 (100) 26 (96) 26 (96)
Total of post-treatment samples (and %) 13 13 (100) 8 (62) 7 (54)
Total of pre- and post-treatment samples (and %) 40 40 (100) 34 (85) 33 (83)
  1. n.a., not any nematode eggs detected on day 14 of albendazole treatment (FECR: 99.9%). Therefore, faecal cultures were not prepared
  2. aNumber of pools tested