Marks & Spencer is first supermarket to publish data on antibiotics in supply chain

Exclusive: medical campaigners wanting to preserve antibiotics for human use praise supermarket for reducing their use in production of meat, eggs and dairyMarks & Spencer has become the first supermarket chain in the UK to publish details of the use of antibiotics in its farm supply chain, in a step towards reducing the use of vital human medicines in livestock-rearing.On Wednesday, the company disclosed on its web site information on the quantities of antibiotics used on livestock by the f