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.
# T" }" X) _0 GThese are the most common laying hens in Canada. White eggs are usually less expensive than brown eggs.
+ D  w; L* y( Y8 u) TBrown-feathered hens usually lay brown eggs.
Producing brown eggs costs more because brown hens are larger than white ones and they eat more feed.

, K+ C9 f: P+ {* ]' \Young hens lay pee wee eggs and older hens lay jumbo eggs;

Free-run eggs are nutritionally the same as regular eggs.
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Organic eggs are nutritionally the same as regular eggs.

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

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+ n# p0 y; O4 C/ \' e6 w$ m9 w  ?Here is articles:
http://www.getcracking.ca/EDU/a_guide_to_choosing_eggs.pdf

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