الفهرس 
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Abstract
In this study, 250 samples were examined in order to evaluate the chemical and microbial quality of raw milk in Mansoura city. Chemical examination revealed that the mean values of fat, protein, lactose and solid not fat were 3.7±0.0012, 3.4±0.002, 2.3±0.001 and 7.9±0.023 % respectively. About 70% of examined sample were with agreement of Egyptian standard of fat standard and only 25% of samples were with agreement of solid not fat standard. Microbiological examination of raw milk samples revealed that the mean count of total bacteria, Coliform, E.coli true feacal type, Staph aureus and Bacillus cereus were 9.7×105±2×103, 13.2×104±6.3×102, 4×104±1.2×102, 6×104±1×102 and 3.8×102±0.005×102 cfu/ml respectively. Comparing these results with Egyptian Standards 2005, 60%, 50% and 60% of samples were with agreement for Egyptian Standards of E.coli true feacal type, Staph aureus and Bacillus cereus respectively. Moreover, the effects of these organisms on consumer health were discussed.