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.
0 O& T* ?2 o" UBrown-feathered hens usually lay brown eggs.
Producing brown eggs costs more because brown hens are larger than white ones and they eat more feed.
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& l7 e2 F- s% _+ J; P& f, V3 y# ^5 DYoung 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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. I# W6 ^4 E/ {; aOrganic eggs are nutritionally the same as regular eggs.
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* t0 Z! v( k9 T+ i4 GFree-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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