Collectively, microorganisms outweigh the human population by 100 million times. They're all around you, and inside you. Your gastrointestinal tract alone houses some 100 trillion bacteria..
As noted in the featured Frontline documentary, The Trouble With Antibiotics, American farmers routinely use antibiotics to make their livestock grow bigger, faster (in addition to preventing disease caused by cramped, filthy quarter, and an unnatural diet). After decades of this practice, antibiotic-resistance in humans has risen substantially. How much of this practice applies to Irish Farmers?.