“This is a significant problem in agriculture, as antibiotics are often used not to treat specific diseases, but for prevention or to prevent growth. (They’re also sometimes used in lieu of cleaner, safer facilities.)”
Infections triggered by antibiotic resistant bacteria are sometimes impossible to treat and may extend hospital admissions. When antibiotics lose their effectiveness against a particular bacterium it presents a significant and severe public health threat. Many medical procedures require the use of antibiotics, such as when you have organ transplants and joint replacements.