Table 1.
Feed consumption ratio to control according to the concentration of the dye marker

dye marker concentration (%) Consumption ratio to control (%)
3 days exposure 5 days exposure
0.5 22.29 ± 1.20 27.80±1.26
1.0 20.92 ± 1.97 24.34±2.32
2.0 10.52 ± 5.76 10.17±3.36