Cheap Eats for Cheeps

Far from handfuls of grain tossed to chicks pecking about bucolic little farms, chicken feed today is about feeding many chickens as cheaply as possible.

But the introduction of antibiotics into feed in the 1950s is what put chicken feed on our list of 100 Objects That Shaped Public Health. Now, more than 80% of antibiotics sold in the US go into animal feed, making it the major contributor to antibiotic resistance globally.

Check GHN every Wednesday for an up-close look at one objects on the list, published by the Johns Hopkins Bloomberg School of Public Health.

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