The use of antibiotics in livestock farming is projected to surge by almost a third over the next 15 years if governments fail to intervene, according to new global estimates from the Food and Agriculture Organisation of the United Nations (FAO). This anticipated increase carries potentially severe consequences for human resistance to essential medicines, a phenomenon known as antimicrobial resistance (AMR), which is already a significant public health concern.
Animal husbandry currently accounts for a substantial proportion of global antibiotic consumption. These medicines are often used not just to treat sick animals, but also preventatively in healthy herds and, in some regions, to promote growth. The widespread and sometimes indiscriminate use of antibiotics in agriculture contributes to the development of drug-resistant bacteria, which can then transfer to humans through the food chain, direct contact with animals, or environmental pathways.
The FAO report underscores the urgent need for robust government policies to mitigate this trend. Such measures could include stricter regulations on antibiotic use in farming, promoting alternative animal health practices, investing in disease prevention, and enhancing surveillance of antimicrobial resistance. Without coordinated global action, the effectiveness of antibiotics for treating human infections, from common ailments to life-threatening conditions, could be severely compromised.
For the United Kingdom, the implications are considerable. While the UK has made strides in reducing antibiotic use in its own agricultural sector, the global nature of AMR means that practices in other countries can still affect the health of its population. Imported food products and international travel are potential pathways for drug-resistant bacteria to enter the UK, making global intervention crucial for national health security.
The Department for Environment, Food and Rural Affairs (Defra) and the Department of Health and Social Care have previously highlighted the UK's commitment to tackling AMR. However, this new report suggests that global efforts are falling short, necessitating a renewed focus on international collaboration and stricter domestic policies to safeguard the future efficacy of antibiotics.