White or Brown: Eggshell colour is determined by the type of hen that lays it. There is no nutritional difference.. h G: s* e- m- [. r6 v+ w
White eggs are laid by white-feathered hens.0 v( O" O9 U; O. S* V/ t, s$ M
These are the most common laying hens in Canada. White eggs are usually less expensive than brown eggs.( O/ O P0 p6 N8 }0 ?& {/ I/ X2 Z
Brown-feathered hens usually lay brown eggs. & j8 k9 N' N! N/ U2 bProducing brown eggs costs more because brown hens are larger than white ones and they eat more feed.7 K+ Z' K \3 e( }; |, }
" D' B1 A$ ^! m' B8 bYoung hens lay pee wee eggs and older hens lay jumbo eggs;8 M9 D Y# n3 ~9 F( F4 p% M
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Free-run eggs are nutritionally the same as regular eggs. / Q: |( [9 Q u/ V1 \+ u3 ?% P& ?- K3 j) J3 m1 J
Organic eggs are nutritionally the same as regular eggs. # G9 H( Y+ w4 \' d% i" O8 }! V# X( a7 ~) T( y
Free-range eggs are nutritionally the same as regular eggs. 0 u; t- W( @$ j# g2 i/ w) K # n9 R' `5 k& C5 V4 R2 U1 [: Q [4 Q2 P8 K; p
Here is articles:9 c+ N1 M; f$ X" x' J0 B. r http://www.getcracking.ca/EDU/a_guide_to_choosing_eggs.pdf9 _+ Z/ D8 F; n* O. b, t- O