The addition of carotenoids into feed mixture influences especially the characteristics of yolk quality. In addition, the supplementation of carotenoids increases deposition of carotenoids and oxidative stability of yolks. Natural sources of carotenoids are more effective than synthetic in increasing of oxidation stability. However, in natural sources of carotenoids, which should be used in practice, it must be taken into account the price. Therefore, a suitable alternative to synthetic carotenoids seems to be marigold, pepper, carrot or alga Chlorella.