Chicken Farming Fuels 100x Increase in Foodborne Illness

Industrial chicken farming practices are significantly contributing to the rise of Campylobacter, a leading bacterial cause of diarrhea globally. A comprehensive study analyzing nearly 2,800 bacterial genomes from chickens and wild birds across 30 countries between 1979 and 2024 indicates a more than 100-fold increase in this foodborne illness linked to intensive farming methods.

Researchers found that densely populated chicken flocks act as "pathogen sponges," facilitating the intermingling and establishment of Campylobacter strains originating from wild birds. Once chicken populations reach a critical size, these strains can become self-sustaining. The growing challenge of antimicrobial resistance further exacerbates the situation, making these infections progressively harder to treat.