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White or Brown: Eggshell colour is determined by the type of hen that lays it. There is no nutritional difference.
; S8 g# Q. S( {* N! E) c0 zWhite eggs are laid by white-feathered hens.$ b4 P, U4 h9 J, {6 s
These are the most common laying hens in Canada. White eggs are usually less expensive than brown eggs.. J1 t r% @6 ~9 y
Brown-feathered hens usually lay brown eggs.9 x8 F6 ^' r$ r/ P2 A0 |1 t
Producing brown eggs costs more because brown hens are larger than white ones and they eat more feed.+ Z6 x! j8 {" Q
1 i2 I7 J8 A0 E! m$ ]. m3 tYoung hens lay pee wee eggs and older hens lay jumbo eggs;% Y' z* q8 G& v7 n% [' P2 m4 k
. B8 h. t. c, L, M' dFree-run eggs are nutritionally the same as regular eggs.& B) ]+ H2 T6 b& t" c0 s/ J
! |9 Q+ G& @, O vOrganic 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:" S0 U7 \* p; x7 O& ~% e: y2 G
http://www.getcracking.ca/EDU/a_guide_to_choosing_eggs.pdf
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