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Questions about Eggs as food

Short answers, pulled from the story.

When did people in Southeast Asia begin harvesting chicken eggs for food?

People in Southeast Asia began harvesting chicken eggs for food by 1500 BCE. Birds were domesticated before 7500 BCE to provide these valuable foodstuffs.

What was the global production of chicken eggs in 2017 and which country led output?

World production of chicken eggs reached 80.1 million tonnes in 2017. China led this output with 31.3 million tonnes while the United States contributed 6.3 million.

How does egg grade change as an air cell increases due to water loss through shell pores?

A very fresh egg has a small air cell and receives a grade of AA. As the air cell increases due to water loss through shell pores, the grade moves from AA to A to B.

At what temperature is salmonella killed instantly during egg cooking processes?

Salmonella is killed instantly at 71 degrees Celsius but also dies from 63 degrees Celsius if held for sufficiently long periods. To avoid salmonella issues, eggs may be pasteurized in-shell at 64 degrees Celsius for an hour and 15 minutes.

When did the European Union ban conventional battery cages for egg laying hens effective date?

Effective the 1st of January 2012 the European Union banned conventional battery cages for egg laying hens as outlined in EU Directive 1999/74/EC. The EU permits enriched furnished cages that must meet certain space requirements.