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Feed can be a source of Campylobacter jejuni infection in broilers
M B R Alves1, B B Fonseca1, R T Melo1
1a Laboratório de Biotecnologia Animal Aplicada , Universidade Federal de Uberlândia , Uberlândia , Brasil.
British Poultry Science
|December 16, 2016
Summary
Contaminated broiler feed can cause Campylobacter jejuni infections. This bacterium survives and multiplies in feed, especially at higher temperatures, highlighting diet
Area of Science:
- Veterinary Microbiology
- Poultry Science
- Food Safety
Background:
- Campylobacter jejuni is a significant cause of foodborne illness in humans.
- Broiler chickens are a primary reservoir for C. jejuni.
- The role of contaminated feed in broiler C. jejuni infection requires further investigation.
Purpose of the Study:
- To assess the significance of contaminated broiler feed as a source of Campylobacter jejuni infection.
- To evaluate C. jejuni survival and proliferation in broiler feed under different storage conditions.
- To determine the influence of co-existing bacteria on C. jejuni viability in feed.
Main Methods:
- Broiler starter and finisher diets were experimentally contaminated with C. jejuni (NCTC 11351).
- Contaminated feed samples were stored at 25°C or 37°C for 3 or 5 days.
- C. jejuni populations and other mesophilic bacteria were enumerated.
Main Results:
- C. jejuni survived and proliferated in broiler feed during storage.
- Higher proliferation rates of C. jejuni were observed at 37°C compared to 25°C.
- No correlation was found between the population of other mesophilic bacteria and C. jejuni viability.
Conclusions:
- Diet plays a crucial role in the epidemiology of Campylobacter jejuni infections in broiler flocks.
- Feed hygiene and storage conditions are critical for controlling C. jejuni transmission.
- Preventive measures targeting feed contamination are essential for reducing C. jejuni in broilers.
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