Two touch: mainly by hand. Fresh eggs in the hand of "pressure". Bad time egg because of the storage process of nutrients and moisture constant loss, gas chamber, so light in weight. A bad egg surface of shibuya. The eggs hatch casing slip, light touch.

Listen to three : put the egg on the ear gently shake, beep is Chen eggs, fresh eggs are generally not ring. The 3eggs can also be placed in the hands of a sliding touch, good egg sound is like bricks sound, if a sound that other egg not fresh.

Four as : the use of sunlight or light for care. Method is a left hand to hold the right hand into a nest egg in the round, on the end of round of pit, into the light perspective. The eggs are transparent for fresh eggs, fuzzy or inner shadow is a bad egg. A bad egg paste, including shell eggs scattered yellow eggs, bad eggs, stinky. Some people to the market to buy eggs with a flashlight, the examination of egg fresh degree.

Five: the smell of fresh eggs without peculiar smell, fresh duck egg fishy smell, if the shell is unlucky or odor is bad egg or bad guy, if there is the smell of petrol or pesticide flavor odor eggs contaminated eggs.

In addition, preparation of10% -20% salt water, the Canned Eggs are placed in the water, fresh eggs immediately sink, not too fresh eggs sink slowly, very old egg floating. This is the proportion method, is only applicable to home, try to buy their own eggs available it is fresh, you can use this to test their egg selecting method is correct.