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Egg shell penetration tendency of different Salmonella serotypes by attached ring color method
T Javed1, A Hameed, M Siddique
1Department of Biological Sciences, Quaid-i-Azam University, Islamabad, Pakistan.
Acta Microbiologica Polonica
|January 1, 1994
Summary
Salmonella penetration into eggs is highest in area III, reaching the egg
Area of Science:
- Food safety and microbiology
- Poultry product contamination
Background:
- Salmonella contamination of eggs poses a significant public health risk.
- Understanding eggshell penetration pathways is crucial for food safety interventions.
Purpose of the Study:
- To quantify Salmonella penetration through different regions of the eggshell.
- To identify specific eggshell layers vulnerable to Salmonella invasion.
Main Methods:
- 200 eggs were treated with food coloring to visualize penetration.
- Steel cylinders containing Salmonella strains were applied to marked penetration areas.
- Penetration levels were assessed across three distinct eggshell areas (I, II, and III).
Main Results:
- Maximum Salmonella penetration (30%) occurred in area III, reaching the egg's interior.
- Area II showed 14.77% penetration, primarily to the outer shell membrane.
- Area I exhibited minimal penetration (4.6%), with limited significance.
Conclusions:
- Area III of the eggshell is highly susceptible to Salmonella invasion.
- Targeted interventions at area III could significantly reduce Salmonella contamination in eggs.
- Further research on eggshell structure and Salmonella motility's role in penetration is warranted.