Wednesday, April 8, 2009

A Perishable History

Last week’s post talked about early-20th-century “egg gamblers” who bought eggs cheap in spring in order to sell dear in winter. Their kind of speculation proved not just controversial but also pretty risky, and ultimately doomed. Why?

Egg gamblers won only if they sold off their cold-storage stocks before fresh ones arrived in spring. They faced two major unknowns: housewives who sometimes protested egg “hoarding” with organized boycotts, and hens who might start laying earlier than expected. Because hens are acutely sensitive to shifts in daylight and temperature, all it took was a February thaw to set them off, sending egg prices plummeting.

Poultry farmers, meanwhile, just wanted to know how to get their own flocks to lay more eggs when fresh ones were scarcest and priciest. They knew that some chicken breeds laid a few more winter eggs than others, and that warm housing and a rich diet generally helped. But the most dramatic results came with the flick of a switch — literally. Read more…

The accompanying book.

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