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Table 2 Prevalence of trypanosome species in 241 horses and donkeys from the Central River Division, The Gambia 2006.

From: Trypanosomosis in The Gambia: prevalence in working horses and donkeys detected by whole genome amplification and PCR, and evidence for interactions between trypanosome species

  Dry season (n = 154) Wet Season (n = 87) Horses (n = 183) Donkeys (n = 58) Overall prevalence
  N Prev % N Prev % N Prev % N Prev % % (95%CI)
T. congolense 44 29 30 34 53 29 21 36 31 (25, 37)
T. vivax 131 85 79 91 165 90 45 78 87 (83, 91)
T. brucei sp 25 16 19 22 29 16 16 28 18 (13, 23)
T. vivax + T. congolense only 32 20 19 22 36 20 15 26 21 (16,26)
T. congolense + T. brucei sp only 1 1 0 0 0   1   0.5(0,1)
T. vivax +T. brucei sp only 18 12 10 11 18 10 10 17 12 (8, 16)
T. vivax + T. congolense +T. brucei sp 5 3 10 11 11 6 4 7 6 (3,9)
Overall positive for any species of trypanosome 139 90 80 92 171 93 48 83 91 (87, 94)
  1. *T. congolense Savannah, T. vivax, and T. brucei sp figures are the overall % positive (including mixed infections). Mixed infections are for the stated trypanosome species only.
  2. Significantly different at P = 0.05
  3. Prev = prevalence (rounded to whole numbers)