Table 45.
Estimated mean and P95 exposure to the sum of PCDD/Fs (17 congeners) for ruminants and horses derived from LB and UB concentrations in species‐specific compound feeds or feed materials
Diet concentration (pg WHO2005‐TEQ/kg DM) | Exposure (pg WHO2005‐TEQ/day) | Exposure (pg WHO2005‐TEQ/kg bw per day) | |||||
---|---|---|---|---|---|---|---|
Mean | P95 | Mean | P95 | Mean | P95 | ||
Estimates derived from LB and UB concentrations in species‐specific compound feeds | |||||||
Horsesa | LB | 41 | – | 371 | – | 0.82 | – |
UB | 56 | – | 507 | – | 1.1 | – | |
Estimates derived from LB and UB concentrations in feeds and their relative proportions in diets | |||||||
Dairy cows: forage‐based diet | LB | 41 | 149 | 856 | 3,087 | 1.3 | 4.8 |
UB | 58 | 166 | 1,194 | 3,431 | 1.8 | 5.3 | |
Dairy cows: maize silage‐based diet | LB | 29 | 93 | 789 | 2,551 | 1.2 | 3.9 |
UB | 45 | 120 | 1,224 | 3,272 | 1.9 | 5.0 | |
Beef cattle: cereal‐based diet | LB | 13 | 44 | 131 | 440 | 0.33 | 1.1 |
UB | 25 | 60 | 247 | 603 | 0.62 | 1.5 | |
Beef cattle: maize silage‐based diet | LB | 25 | 80 | 166 | 530 | 0.55 | 1.8 |
UB | 42 | 94 | 275 | 623 | 0.92 | 2.1 | |
Lactating sheep | LB | 35 | 128 | 98 | 359 | 1.2 | 4.5 |
UB | 50 | 145 | 140 | 407 | 1.8 | 5.1 | |
Lactating goats | LB | 19 | 80 | 65 | 271 | 1.1 | 4.5 |
UB | 30 | 86 | 101 | 291 | 1.7 | 4.9 | |
Fattening goats | LB | 41 | 164 | 61 | 246 | 1.5 | 6.2 |
UB | 56 | 173 | 83 | 260 | 2.1 | 6.5 |
bw: body weight; LB: lower bound; UB: upper bound; DM: dry matter.
Insufficient samples were available to estimate P95 exposure.