Table 1.
Trypanosome infection rates inGlossina morsitans morsitans
| T. congolense (Tc) | T. b. brucei (Tbb) | |
|---|---|---|
| No. of flies dissected |
50 |
87 |
| No. of infected midguts |
42/50 (84%) |
48/87 (55%) |
| No. of infected proboscides (Tc) or salivary glands (Tbb) |
39/50 (78%) |
12/87 (14%) |
| Transmission index (TI) |
39/42 (93%) |
12/48 (25%) |
| No. of midguts with positive spit samples |
34/42 (81%) |
40/48 (83%) |
| No. of proboscides (Tc) or salivary glands (Tbb) with positive spit samples | 34/34 (100%) | 12/40 (30%) |
Male flies were individually caged and infected with Trypanosoma congolense 1/148 or T. b. brucei J10; the infected feeds were supplemented with N-acetyl-glucosamine. Flies were dissected 4–11 weeks after infection.