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Poultry or Avian Science

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Salmonella

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A New Method For Reducing Salmonella In Poultry Meat, Regis Yizerwe May 2023

A New Method For Reducing Salmonella In Poultry Meat, Regis Yizerwe

Honors Theses

An important approach to decreasing the transmission of Salmonella into the food chain is to treat raw chicken after processing. This can be, and has been done, by using antibiotics and chemical disinfectants. Using antibiotics is not a viable option due to the issue of antimicrobial resistance. Although some chemical disinfectants have been used effectively, they are restricted due to the amounts that can be used safely, the acceptance of their use and resistance to implementation in various parts of the world. This study has revealed that using a naturally occurring saponin–Quillaja Saponaria– in small concentrations under certain conditions of …


The Effects Of Feed Additives, Housing Systems, And Stress On Salmonella Shedding In Single Comb White And Brown Laying Hens, Dana L. Hahn May 2014

The Effects Of Feed Additives, Housing Systems, And Stress On Salmonella Shedding In Single Comb White And Brown Laying Hens, Dana L. Hahn

Department of Animal Science: Dissertations, Theses, and Student Research

A series of studies were conducted examining feed additives, housing systems and stress on Salmonella shedding. Alternative feed additives such as prebiotics, probiotics and essential oils have been shown to reduce pathogenic bacteria colonization. Furthermore, stressors such as movement have been shown to increase Salmonella shedding. The goal of the studies was to examine if alternative ingredients reduce Salmonella shedding in alternative housing systems and through movement stress. Study 1 examined cage and cage-free housing with mannan oligosaccharide (MOS) supplementation. Treatments were arranged in a 2x2 factorial design: cage or cage free; MOS (0% or 0.08%). There was no effect …