Table 3: The mean recoveries with the corresponding standard deviations of the polyether ionophores analysed at three spiking levels ( ).

Spiking level (mg/kg)Mean concentration (mg/kg)Recovery %Relative standard deviation (%)

Lasalocid0.200.199535
0.400.451125.0
0.800.76956.0

Monensin0.0250.0197513
0.050.05010026
0.100.101009.2

Salinomycin0.0250.197713
0.050.05410812
0.100.097979.8

Narasin0.0250.02081112
0.050.0541099.5
0.100.096965.9

Maduramicin0.0250.0197418
0.050.0551099.5
0.100.095957.4

Semduramicin0.200.157720
0.400.4310617
0.800.749216