A flock of brown free-range chickens. Photo.
All poultry can be affected by colibacillosis, including free-range birds and those raised indoors. Photo: Ingrid Hansson

Reducing antibiotic use alone will not curb the spread of resistance

Page reviewed:  09/06/2026

Reducing antibiotic use alone is not enough to slow the development of antimicrobial resistance. Effective control also requires ongoing monitoring of bacteria in animals’ gut flora and in the farm environment, according to a new study from the Swedish University of Agricultural Sciences (SLU).

Read the full article in Swedish.

The English text was translated using AI.

Link to the scientific publication

Homayoon Davam, Désirée S. Jansson, Emma Nord, Jesper Rydén, Ingrid Hansson. Antibiotic susceptibility and resistance genes in Escherichia coli from broilers reared in a low-antibiotic-use production system, Poultry Science,
Volume 105, Issue 6, 2026.

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