The Growing Global Threat Of Antibiotic Resistance Ielts Reading Answers Verified Jun 2026

Globally, however, the largest volume of antibiotics is consumed not by humans, but by livestock. In industrial farming, animals are routinely fed subtherapeutic doses of antibiotics. Rather than treating sick animals, these drugs are used to promote growth and prevent infections in crowded, unsanitary factory farming conditions. This practice creates a massive reservoir of resistant bacteria that can easily jump to humans through the food chain, contaminated water run-off, or direct contact with agricultural workers. The Economic and Human Cost

Beyond clinical settings, the agricultural sector bears massive responsibility for the proliferation of AMR. Globally, the volume of antibiotics consumed by livestock vastly exceeds that consumed by humans. In intensive farming operations, these drugs are rarely used to treat sick animals. Instead, they are administered in low, continuous doses within animal feed to promote rapid growth and prevent disease in overcrowded, unsanitary conditions. This sub-lethal exposure creates an ideal breeding ground for resistant bacteria, which then enter the human food chain through contaminated meat, water runoff, and direct contact. Section C: Economic and Clinical Repercussions Globally, however, the largest volume of antibiotics is

To comprehend the scale of the threat, it is essential to understand the evolutionary biology that drives bacterial adaptation. Bacteria reproduce rapidly, often dividing every twenty minutes under optimal conditions. This accelerated lifecycle allows for a high frequency of genetic mutations. When a population of bacteria is exposed to an antibiotic, vulnerable organisms are eradicated, leaving behind a resilient minority possessing genetic traits that shield them from the drug's mechanism of action. This practice creates a massive reservoir of resistant

While bacterial mutation is an inevitable biological process, human activity has exponentially accelerated the timeline. The primary driver of this acceleration is the profound over-prescription of antibiotics in human medicine. Epidemiological studies indicate that a significant percentage of antibiotics prescribed worldwide are medically unnecessary, often administered for viral infections like influenza or the common cold, against which they are entirely ineffective. In intensive farming operations, these drugs are rarely