Table 3.
Maize aflatoxin levels by source, 2005–2007.
| Maize source | Samples with < 20 ppb [n (%)] | Samples with > 20 ppb [n (%)] | GM (range) of aflatoxin levels (ppb)a | |||
|---|---|---|---|---|---|---|
| 2005 | ||||||
| Homegrown | 30 (36) | 53 (64) | 62.61 (0.43–48,000) | |||
| Purchased | 95 (59) | 67 (41) | 10.05 (0.11–13,800) | |||
| Relief | 50 (94) | 3 (6) | 1.99 (0.37–720) | |||
| 2006 | ||||||
| Homegrown | 39 (40) | 58 (60) | 46.47 (0.49–24,400) | |||
| Purchased | 39 (60) | 26 (40) | 14.57 (0.30–2,800) | |||
| Relief | 2 (67) | 1 (33) | 6.21 (2.1–22) | |||
| 2007 | ||||||
| Homegrown | 213 (84) | 40 (16) | 1.95 (< LOD–2,500) | |||
| Purchased | – | – | – | |||
| Relief | – | – | – | |||
| All years combined | ||||||
| Homegrown | 282 (65) | 151 (35) | 17.96 (< LOD–48,000)b | |||
| Purchased | 134 (59) | 93 (41) | 3.64 (0.11 – 13,800)b | |||
| Relief | 52 (93) | 4 (7) | 0.73 (0.37 – 720)b | |||
| aAll estimates are adjusted for division and village. bEstimates are adjusted for year. | ||||||