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Related Experiment Videos

Some probiotic properties of chicken lactobacilli.

C Gusils1, S N González, G Oliver

  • 1Centro de Referencia para Lactobacilos, Tucumán, Argentina.

Canadian Journal of Microbiology
|March 4, 2000
PubMed
Summary

Lactobacillus animalis and L. fermentum effectively adhere to chicken intestinal cells. These probiotics show potential in blocking Salmonella adhesion, offering a natural approach to poultry gut health.

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Area of Science:

  • Microbiology
  • Animal Science
  • Probiotics

Background:

  • Lactobacilli are known for their beneficial effects in animal gastrointestinal tracts.
  • Their ability to colonize and interact with host cells is crucial for these benefits.

Purpose of the Study:

  • To assess the adhesion capabilities of Lactobacillus animalis and Lactobacillus fermentum to chicken intestinal cells.
  • To investigate the potential of these lactobacilli in inhibiting Salmonella adhesion.

Main Methods:

  • Adhesion assays were performed using three Lactobacillus strains and chicken intestinal fragments.
  • Scanning electron microscopy was used to visualize bacterial adhesion.
  • Inhibition assays were conducted to evaluate the blocking effect against Salmonella species.

Main Results:

  • Lactobacillus animalis and L. fermentum demonstrated significant adhesion to chicken intestinal epithelial cells, particularly in the small intestine.
  • L. animalis exhibited the highest adhesion ability, while L. fermentum's adhesion involved specific carbohydrates and bivalent cations.
  • Both strains effectively reduced the adhesion of Salmonella pullorum, S. enteritidis, and S. gallinarum to intestinal fragments.

Conclusions:

  • Lactobacillus animalis and L. fermentum possess strong adhesive properties to chicken intestinal cells.
  • These lactobacilli can act as probiotics by blocking the binding sites for pathogenic Salmonella species, suggesting a role in poultry gut health management.

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