Sanitary analysis of free-range eggs produced under backyard conditions

Dulce María Hernández Degante, Víctor Millán Tinoco and Jorge Rivera Flores
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Dulce María Hernández Degante: TecNM/Instituto Tecnológico Superior de Teziutlán. Academia de Ingeniería en Industrias Alimentarias. Teziutlán Puebla, México
Víctor Millán Tinoco: TecNM/Instituto Tecnológico Superior de Teziutlán. Academia de Ingeniería en Gestión Empresarial. Teziutlán Puebla, México
Jorge Rivera Flores: TecNM/Instituto Tecnológico Superior de Teziutlán. Academia de Ingeniería Industrial, Teziutlán Puebla, México

Scientific Journal Care & Tech, 2025, vol. 3, issue 2, 224-250

Abstract: The production of free-range eggs in backyard conditions is a common practice in many communities, providing a vital source of nutritious food. However, this form of production also poses significant challenges in terms of food safety, especially due to the potential for contamination with Salmonella spp. This study focuses on evaluating the sanitary quality of free-range eggs produced under these conditions, identifying the presence of Salmonella, and proposing improvements in management practices to reduce microbiological risks. The results confirmed the presence of Salmonella spp. in the free-range egg samples. Serial dilution and agar plating methods proved effective in highlighting the bacteria in both the egg white and yolk. Gram staining was also used to identify the morphology of the isolated strains. Interviews revealed that many producers are unaware of the proper hygiene and management practices necessary to minimize contamination.

Keywords: Egg; microbiological; Salmonella spp; foodborne (search for similar items in EconPapers)
Date: 2025
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Persistent link: https://EconPapers.repec.org/RePEc:cvp:carean:v:3:y:2025:i:2:id:60

DOI: 10.69821/caretech.v3i2.60

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