White or Brown eggs---There is no nutritional difference.

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White or Brown: Eggshell colour is determined by the type of hen that lays it. There is no nutritional difference.
White eggs are laid by white-feathered hens.
These are the most common laying hens in Canada. White eggs are usually less expensive than brown eggs.
6 L7 ~  \4 }% f  t. x5 X- YBrown-feathered hens usually lay brown eggs.
4 r5 l; v9 n! o: w( F2 r( ]7 MProducing brown eggs costs more because brown hens are larger than white ones and they eat more feed.

Young hens lay pee wee eggs and older hens lay jumbo eggs;

$ q7 @# s' c* M7 AFree-run eggs are nutritionally the same as regular eggs.

& S5 K$ n1 U% S7 x3 v9 mOrganic eggs are nutritionally the same as regular eggs.
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Free-range eggs are nutritionally the same as regular eggs.
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Here is articles:
: W; M: Y6 O! W- n& n7 X9 F/ Vhttp://www.getcracking.ca/EDU/a_guide_to_choosing_eggs.pdf
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