Table 3.
Maximum safe concentration in feed for different target animals for the essential oil from Origanum vulgare ssp. hirtum
| Body weight (kg) | Feed intake (g DM/day) | Daily feed intake (g DM/kg bw) | Maximum safe concentration (mg/kg feed)1 | |
|---|---|---|---|---|
| Chickens for fattening | 2 | 158 | 79 | 22 |
| Laying hens | 2 | 106 | 53 | 33 |
| Turkeys for fattening | 3 | 176 | 59 | 30 |
| Piglets | 20 | 880 | 44 | 40 |
| Pigs for fattening | 60 | 2,200 | 37 | 48 |
| Sow lactating | 175 | 5,280 | 30 | 63 |
| Veal calves (milk replacer) | 100 | 1,890 | 19 | 100 |
| Cattle for fattening | 400 | 8,000 | 20 | 88 |
| Dairy cows | 650 | 20,000 | 31 | 57 |
| Sheep/goat | 60 | 1,200 | 20 | 88 |
| Horse | 400 | 8,000 | 20 | 88 |
| Rabbit | 2 | 100 | 50 | 35 |
| Salmon | 0.12 | 2.1 | 18 | 101 |
| Dogs | 15 | 250 | 17 | 106 |
| Cats | 3 | 60 | 20 | 182 |
| Ornamental fish | 0.012 | 0.54 | 5 | 391 |
DM: dry matter; bw: body weight.
1
Complete feed containing 88% DM, milk replacer 94.5% DM.
2
The uncertainty factor for cats is increased by an additional factor of 5 because of the reduced capacity of glucuronidation.