الفهرس 
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Abstract
A total of 200 samples of sausage (50), beef burger (50), minced meat (40) and luncheon (60) were randomly collected from different shops and markets in El-Gharbia and Kafr-El-Sheikh governorates. The samples were subjected to bacteriological examination and molecular characterization. The results revealed that the all meat product samples especially luncheon were highly contaminated with staphylococci and S. aureus, also the use of multiplex PCR with specific primers for S. aureus classic enterotoxin genes revealed that only one isolate for sausage sample mostly harboured (1) sea, meanwhile one isolate for beef burger sample harboured (1) seb gene and the other one was negative for classic enterotoxin genes, but the four isolates of minced meat samples harboured (1) sea, (1) sec, (1) mixed sea & sed genes and one was negative for classic enterotoxin genes and the samples were negative o SEE.