Feeding the Antibiotics Debate

Antimicrobial resistance (AMR) is a hot-button issue when it comes to food safety. According to the World Health Organization, AMR occurs when bacteria, viruses, fungi, and parasites change over time and no longer respond to modern medicines, including antibiotics – which are designed to fight bacterial infections. AMR can make infections in humans and animals that are harder to treat and increase the risk of disease and illness. In agriculture, antibiotics may be given to cattle and other livestock to fight infections and keep the animals healthy. However, there are concerns that the use of antibiotics in agricultural settings may lead to AMR that affects people. ARS scientists researched whether raising beef cattle without antibiotics would reduce AMR levels, compared to health practices using antibiotics. The results may surprise you.

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