Interesting egg facts

September 3, 2009 | In: Food facts

China produces most eggs, at about 160 billion per year. In the US, about 260 million hens produce more than 65 billion eggs per year. A hen can lay about 250 eggs per year.

The chicken is one of the first domestic animals, appearing in China around 1400 BC.

The colour of the yolk will depend on the hen’s diet. They can even be orange if there is a lot of grass meal or maize meal in the feed.

World’s smallest egg: hummingbird. World’s largest egg: ostrich.

An ostrich egg needs to be boiled for 2 hours to get a hard-boiled egg.

Even if the egg is in the form of a female-seed, there is life in it because it is born out of the living cells present in the body of the hens.

A hen will lay eggs, even in the absence of a rooster. Eggs from the grocery store, will not hatch if you put them in an incubator, as they are generally not fertile.

A chicken will lay bigger and stronger eggs if you change the lighting in a way to make her think a day is 28 hours long.

Eggs need to breathe just like animals do!

Despite their solid appearance, egg shells have thousands of tiny pores that allow moisture to leave the egg and oxygen to replace it. This meets the needs of the growing chick perfectly — the evaporating moisture makes more room for the growing chick while drawing in the additional oxygen it needs. In the 21 days it takes for a chicken egg to incubate, it will absorb about 8 pints of oxygen and release about 7 pints of carbon dioxide and about 18 pints of water vapor.

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1 Response to Interesting egg facts



February 1st, 2012 at 8:38 pm

YAAAAAAAAAAAAYYY-thanks for the help-i fianally finished my 20 science fair note cards for school. :)

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