From: Chemical assessment of mycotoxin contaminants and veterinary residues in Costa Rican animal feed
Assay number | Sample ID | Concentration, mg kg−1 |
---|---|---|
Monensin | ||
 1 | Suckling pig feed, medicated | 907.40 ± 260.16 |
Calcium (cleaning batch) | 18.80 ± 5.39 | |
 2 | Fish feed (tilapia and trout, 1st cleaning batch) | 741.45 ± 212.58 |
Fish feed (tilapia and trout, 2nd cleaning batch) | 163.25 ± 46.81 | |
Ground corn (cleaning batch) | Not detected, <  4.09 × 10−2 | |
 3 | Feed ingredient (1st cleaning batch) | 26.82 ± 7.69 |
Compound feed (2nd cleaning batch) | 22.46 ± 6.44 | |
Compound feed (3rd cleaning batch) | 20.11 ± 5.77 | |
 4 | Corn meal (cleaning batch) | 13.82 ± 3.96 |
Layer hen feed (1st batch) | 0.53 ± 0.15 | |
Layer hen feed (2nd batch) | 0.26 ± 0.07 | |
Florfenicol | ||
 1 | Fish feed (tilapia and trout, 1st cleaning batch) | 3118.32 ± 894.05 |
Fish feed (tilapia and trout, 2nd cleaning batch) | 452.13 ± 129.63 | |
Ground corn (cleaning batch) | 352.90 ± 101.18 | |
Erythromycin | ||
 4 | Corn meal (cleaning batch) | 11.22 ± 3.22 |
Layer hen feed (1st batch) | Not detected, <  8.09 × 10−2 | |
Layer hen feed (2nd batch) | Not detected, <  8.09 × 10− 2 | |
Narasin | ||
 4 | Corn meal (cleaning batch) | 9.50 ± 2.72 |
Layer hen feed (1st batch) | 0.90 ± 0.26 | |
Layer hen feed (2nd batch) | Not detected, < 2.46 × 10−2 |