Table 2 The infection rate of trypanosomes in Glossina tachinoides between sex, age, and hunger stage
Risk factors | No. of fly dissected | Trypanosome species found | Infection Rate IR (%) | P-value | ||
|---|---|---|---|---|---|---|
T. congolonse | T. vivax | Total infected | ||||
Sex | ||||||
Male | 88 | 0 | 1 | 1 | 1.14 | 0.005 |
Female | 196 | 2 | 2 | 4 | 2.04 | |
Total | 284 | 2 | 3 | 5 | 1.76 | |
Age | ||||||
Young (< 20 days) | 172 | 0 | 0 | 0 | 0 | 0.005 |
Old (> 21 days) | 112 | 2 | 3 | 5 | 4.46 | |
Total | 284 | 2 | 3 | 5 | 1.76 | |
Hunger stage | ||||||
Stage 4 (teneral or hungry) | 52 | 0 | 0 | 0 | 0 | 0.001 |
Stage 3 (intermediate) | 98 | 0 | 0 | 0 | 0 | |
Stage 2 (replete) | 109 | 2 | 1 | 3 | 2.75 | |
Stage 1 (gorged) | 25 | 0 | 2 | 2 | 8.00 | |
Total | 284 | 2 | 3 | 5 | 1.76 | |
Overall | 284 | 2 | 3 | 5 | 1.76 | |