Table 1 Drug treatment of the horses (relative to time of sample collection) and characteristics of hair samples
Horse | Reported drug (s) | Time before sampling | Hair samples (length, color) |
|---|---|---|---|
P01 | Acepromazine | 2 months | Mane (16 cm, light) Tail (28 cm, light) |
Phenylbutazone | 3 and 9 months | ||
P02 | Butorphanol | 22 months | Tail (70 cm, dark) |
Detomidine | With euthanasia | ||
Flunixin | 1 day and 22 months | ||
P03 | Flunixin | 8 months | Mane (16 cm, dark) Tail (28 cm, dark) |
Ketoprofen | 8 months | ||
P04 | Flunixin | 9 months | Mane (16 cm, dark) Tail (26 cm, dark) |
Ketoprofen | 9 months | ||
Phenylbutazone | 10 months | ||
P05 | Flunixin | 7 months | Mane (16 cm, dark) Tail (28 cm, dark) |
P06 | Acepromazine | 15 months | Tail (68 cm, dark) |
Butorphanol | 17 months | ||
Phenylbutazone | 8 months | ||
P07 | Flunixin | 2 and 4 months | Mane (24 cm, dark) Tail (26 cm, dark) |
Phenylbutazone | 2 and 4 months | ||
P08 | Butorphanol | 6 months | Mane (20 cm, dark) |
Detomidine | 6 months | ||
Phenylbutazone | 10 months | ||
Tramadol | 6 months | ||
P09 | Flunixin | 1 week | Mane (24 cm, white) Tail (24 cm, dark) |
Phenylbutazone | 1 week | ||
P10 | Butorphanol | 8 months | Tail (44 cm, dark) |
Firocoxib | 10 months | ||
Meloxicam | 10 months |