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.
' Z1 B" \4 G( V0 `8 y$ \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.
+ J9 \) h: [. G* x; }Brown-feathered hens usually lay brown eggs.
2 k; r0 z6 T) @0 {# V& GProducing brown eggs costs more because brown hens are larger than white ones and they eat more feed.
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# a4 J7 W) I, l1 [# k+ L, aYoung hens lay pee wee eggs and older hens lay jumbo eggs;
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0 _' o8 Q, T/ T& _$ B# k1 eFree-run eggs are nutritionally the same as regular eggs.

5 R) w5 r6 d: O, H  F( FOrganic 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:
) C3 R0 N9 N( C5 P/ G7 e* |http://www.getcracking.ca/EDU/a_guide_to_choosing_eggs.pdf
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