DIN 10163-2:1985-06

This standard specifies a method for the enumeration of coagulase-positive staphylococci with a drop plating method. It is applicable to meat and meat products, and products which contain meat or meat products.Subdivision of agar plates with a selective culture medium in sectors. Drop by drop inoculation of the sectors with partial volumes of 0,5 ml of the undiluted homogenizied sample or the initial suspension and the further dilutions. Incubation of the plates at 37 °C for 24 h to 48 h under aerobic conditions. Calculation of the number of coagulase-positive staphylococci per g or ml of sample from the percentage of the colonies grown on the sectors and confirmed as coagulase-positive.