Which of the following sentences from the
section "The Background" BEST reflects the main
idea that farming practices have contributed to
antibiotic resistance in people?
The antibiotic era in animal agriculture
began in 1946, when researchers noted that
chickens fed low doses of the drugs grew,
faster.
Antibiotics have become a crucial part of
factory farming - animals in cramped
conditions would be vulnerable to infections
without daily doses of the drugs.
For decades, the livestock and
pharmaceutical industries successfully
fended off regulation, arguing that little
correlation could be drawn between
antibiotics used in agriculture and resistant
infections in humans.
