The telling quote from the entire article on how the antibacterial of last resort is now ineffective:<p>&quot;The bulk of the 12,000 tonnes of colistin fed to livestock yearly around the world is used in China, say Liu and colleagues, which would favour the evolution of mcr-1.&quot;<p>Average human weight? 80 kg.  High end dose for a human per day? 5 mg&#x2F;kg.  Let&#x27;s make all humans fat to add to the weight. 100 kg. So half a gram per human per day.  Does this mean we used 24 billion grams per year on livestock?? ~65 million grams per day???<p>This means the livestock industry is using 131.5 million people days of the antibiotic each day.<p>And you say the bacteria are now resistant to it?  Who&#x27;d could&#x27;ve possibly predicted that?