Table 1 Recovery rate and time to recover Taenia saginata eggs from the gastrointestinal tract of house flies for 13 protocols across four phases
Recovery protocola | Sample size (n) | Spiking range | Eggs spiked, average | Flies with 100% recovery | Flies with 0% recovery | Recovery rate (95% CI)b | Time to recovery | Debris scorec | |
|---|---|---|---|---|---|---|---|---|---|
Waiting time | Hands-on time | ||||||||
Phase I: maceration | |||||||||
G.I.1 | 15 | 3–9 | 5.1 | 3 | 0 | 0.684a (0.580–0.773) | 5’ | 1′30” | 2 |
G.I.2 | 14 | 3–9 | 5.3 | 2 | 1 | 0.635a (0.478–0.768) | 5’ | 1′30” | 2 |
G.I.3 | 15 | 3–9 | 5.1 | 0 | 3 | 0.390b (0.277–0.515) | 65’ | 30” | 3 |
Phase II: filtration and flotation | |||||||||
G.II.1 | 15 | 4–8 | 5.7 | 6 | 0 | 0.849a (0.730–0.921) | 5’ | 1′30” | 2 |
G.II.2 | 15 | 3–8 | 5.2 | 4 | 0 | 0.795a (0.708–0.861) | 15’ | 4′00” | 1 |
G.II.3 | 15 | 3–9 | 5.8 | 0 | 0 | 0.425b (0.327–0.530) | 15’ | 6′00” | 1 |
G.II.4 | 15 | 3–9 | 5.9 | 0 | 5 | 0.193c (0.121–0.293) | 60’ | 1′30” | 3 |
Phase III: centrifugation (part 1) | |||||||||
G.III.1 | 15 | 4–9 | 6.1 | 5 | 0 | 0.826a (0.705–0.904) | 8’ | 1′30” | 2 |
G.III.2 | 14 | 4–9 | 6.3 | 1 | 0 | 0.705a (0.600–0.791) | 5’ | 1′30” | 2 |
G.III.3 | 15 | 3–9 | 5.4 | 4 | 0 | 0.778a (0.666–0.860) | 2’ | 1′30” | 2 |
G.III.4 | 15 | 4–9 | 6.3 | 3 | 1 | 0.768a (0.653–0.854) | 5’ | 1′30” | 2 |
Phase IV: centrifugation (part 2) | |||||||||
G.IV.1 | 20 | 3–8 | 5.1 | 7 | 0 | 0.733a (0.622–0.820) | 8’ | 1′30” | 2 |
G.IV.2 | 20 | 3–8 | 5.2 | 7 | 0 | 0.816a (0.720–0.884) | 2’ | 1′30” | 2 |