food colour
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Variation in Egg Yolk Colour in Different Systems of Rearing Laying Hens
Petr Dvořák, Pavel Suchý, Eva Straková, Jana Doležalová
2010, Vol. 79, Issue 9, pp. 13-19 -
Egg Yolk Colour Depending upon the Composition of the Feeding Mixture for Laying Hens
P. Dvořák, E. Straková, J. Kunová, V. Kunová
2007, Vol. 76, Issue 1, pp. 121-127
