Skip to main content

Table 8 Field samples tested to demonstrate batch flushing efficiency

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