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.
; `" p- c# C, `* q# Y4 NWhite 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.
Brown-feathered hens usually lay brown eggs.
: Y5 Y, s' @) FProducing 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;
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! l4 x, \! H. E% F8 I- j5 i( {Free-run eggs are nutritionally the same as regular eggs.
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  ^+ s( |- ]2 y7 q6 F5 EOrganic eggs are nutritionally the same as regular eggs.

Free-range eggs are nutritionally the same as regular eggs.

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Here is articles:
http://www.getcracking.ca/EDU/a_guide_to_choosing_eggs.pdf

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