Results: - The minimum inhibitory concentration (MIC): group Sulraapix 8, 831 ± 10, 229 µg / ml; group Sulperazone 7, 287 ± 8, 457 µg / ml, maximum and minimum values ​​of the two antibiotics are equal, with corresponding values of 32 µg / ml and 0.125 µg/ml.