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Related Concept Videos

Biological Methods for Microbial Control01:28

Biological Methods for Microbial Control

744
Biological agents offer an effective means of controlling microbial growth by leveraging natural processes like predation, competition, and the secretion of antimicrobial substances.Predatory bacteria such as Bdellovibrio species target and kill pathogens like Salmonella and E. coli. They are widely used in poultry farms to control infections. Myxococcus species help combat plant-pathogenic fungi. These naturally occurring predators serve as eco-friendly alternatives to chemical pesticides and...
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Synbiotic supplementation to decrease Salmonella colonization in the intestine and carcass contamination in broiler

R Shanmugasundaram1, M Mortada1, D E Cosby2

  • 1Department of Poultry Sciences, University of Georgia, Athens, GA, United States of America.

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|October 11, 2019
PubMed
Summary
This summary is machine-generated.

Synbiotic supplementation effectively reduced Salmonella Enteritidis (SE) proliferation in vitro and decreased SE load in broiler cecal contents and carcasses. This study highlights synbiotics as a viable alternative for controlling SE in poultry production.

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Area of Science:

  • Animal Science
  • Microbiology
  • Poultry Nutrition

Background:

  • Salmonella Enteritidis (SE) poses a significant threat to poultry health and food safety.
  • Controlling SE proliferation and carcass contamination is crucial in broiler production.
  • Synbiotics offer a potential alternative to antibiotics for managing enteric pathogens.

Purpose of the Study:

  • To evaluate the efficacy of synbiotic supplementation in reducing SE proliferation.
  • To assess the impact of synbiotics on SE load in broiler cecal contents and carcass contamination.
  • To compare synbiotic effects with antibiotic treatment and a control group.

Main Methods:

  • In vitro experiments using culture supernatants of Lactobacillus reuteri, Enterococcus faecium, Bifidobacterium animalis, and Pediococcus acidilactici against SE.
  • In vivo study with 240 Cobb-500 broiler chicks divided into control, antibiotic (Virginiamycin), and synbiotic (PoultryStar® ME) groups.
  • Oral inoculation with SE at 21 days of age, with data collected at 42 days (21 days post-inoculation).

Main Results:

  • Synbiotic components demonstrated significant in vitro inhibition of SE proliferation.
  • Both antibiotic and synbiotic supplementation reduced SE load in cecal contents and on broiler carcasses compared to the control.
  • Synbiotic supplementation resulted in intermediate body weight and feed consumption, not significantly different from control or antibiotic groups.

Conclusions:

  • Synbiotic supplementation effectively decreases Salmonella Enteritidis proliferation in vitro.
  • Synbiotics significantly reduce SE load in broiler cecal contents and on carcasses.
  • Synbiotics represent a promising strategy for controlling SE in broiler chickens.