Antibiotics are chemicals that kill or prevent the growth of bacteria. There are two types of antibiotics, broad spectrum and narrow spectrum and they are classed depending on how specific they are and the variety of bacteria they are effective against. Antibiotics have two main uses, fighting infection and agricultural uses. Antibiotics have been used for many years, in the control of illnesses since the discovery of penicillin by Alexander Fleming over 50 years ago1. In addition to their medicinal use, they are also used in farming - both agriculture and livestock farming. …
