egg

I was making breakfast found several bad egg, she told me a few eggs quality discrimination method.she tall me White eggs than red shell eggs nutritious. first, you can look the egg into the lamp,good egg color very bright,but long time of egg colour is dark. second, you can gently shaking the egg with your hand,good egg don't have voice,but a long time egg have sound and feel there is something in there. thirdly, you can put the egg on the table to rotate, good egg will rotate two or three turn is stop, however,long time egg is  quickly than good egg . fourthly, you can put the egg into bowl of water, good egg should sinking the bowl,but if the egg is sank down in the bowl, it's bad egg. Fifthly, you must open a egg in bowl,if egg's yolk is transparent,it's good, bad egg have a red or turbid yolk.today I bought a box of eggs eggs in WAL-MART,i try using this method in dormitory, it is good,i look for the expiration period is October 15.