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Environmental Microplastic Exposure Changes Gut Microbiota in Chickens.

Wen Zou1,2, Sijia Lu1,2, Jia Wang1,2

  • 1Institute of Traditional Chinese Veterinary Medicine, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, China.

Animals : an Open Access Journal From MDPI
|August 12, 2023
PubMed
Summary

Microplastic (MP) exposure significantly harms chicken growth and alters gut bacteria, causing an imbalance. This research highlights the ecological and poultry health risks of widespread microplastic contamination.

Keywords:
chickencontaminantgut microbiotamicroplastics

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Area of Science:

  • Environmental Science
  • Animal Science
  • Microbiology

Background:

  • Microplastics (MPs) are emerging environmental contaminants with widespread ecological impacts.
  • While aquatic organisms show documented effects, MP impacts on poultry remain poorly understood.
  • Understanding MP effects on chickens is crucial for poultry health and environmental quality.

Purpose of the Study:

  • To investigate the adverse effects of MP exposure on chicken growth performance.
  • To analyze the impact of MPs on the gut microbiota composition and structure in chickens.

Main Methods:

  • Chickens were exposed to microplastics.
  • Growth performance parameters were monitored.
  • Gut microbiota composition and diversity were analyzed using sequencing techniques.

Main Results:

  • MP exposure led to a significant decrease in chicken growth performance.
  • Gut microbiota alpha diversity significantly decreased in MP-exposed chickens.
  • Significant shifts in bacterial phyla and genera abundances were observed, indicating microbial imbalance.

Conclusions:

  • Microplastic exposure negatively impacts chicken growth and gut microbial health.
  • MP contamination disrupts the gut microbial ecosystem, leading to imbalance.
  • Findings underscore the need for addressing microplastic pollution to protect poultry health and the environment.