- #1
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Suppose a chicken egg is contaminated with salmonella. Is the bacteria on the outside of the shell, in the white part, in the yolk, or all parts?
Salmonella in Eggs: Where is It?
- Thread starter lisab
- Start date
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SUMMARY
Salmonella can contaminate all parts of a chicken egg, including the shell, egg white, and yolk. This conclusion is supported by the fact that Salmonella can colonize the oviducts of hens, leading to potential contamination throughout the egg. The initial assumption that contamination occurs only on the shell was corrected based on further research and understanding of the bacteria's behavior.
PREREQUISITES- Understanding of Salmonella bacteria and its transmission.
- Knowledge of poultry biology, particularly the reproductive system of hens.
- Familiarity with food safety practices related to egg handling.
- Basic concepts of microbiology and contamination sources.
- Research the methods for testing eggs for Salmonella contamination.
- Learn about effective food safety protocols for handling and cooking eggs.
- Explore the impact of Salmonella on public health and foodborne illness outbreaks.
- Investigate the role of vaccination in preventing Salmonella in poultry.
Food safety professionals, poultry farmers, public health officials, and anyone involved in the production and handling of eggs.
- #2
Borek
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Junior GF told me she would expect it to be only on the shell, both inside and outside. Don't treat this information as absolute truth as she was not 100% sure, but she finished Warsaw University of Life Sciences and these things were part of curriculum, so even if she partially guessed that's an educated guess 
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- #3
Borek
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I could edit, but if someone has seen the answer would miss the edit. First answer was wrong - she checked details. Salmonella can colonize/infect oviducts, so it can be found everywhere, not only on the shell but both in yolk and white.
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