| 摘要 |
PROBLEM TO BE SOLVED: To obtain a feed for poultry farming capable of freely adjusting the color tone of a poultry farming product such as a hen's egg, chicken or chicken skin according to the preference of consumers without being influenced by the kind or harvesting time of a raw material for the feed and stably maintaining the color tone and to provide a method for adjusting the color tone of the poultry farming product to that exciting a desire for buying according to an area or the preference of the consumer for each year by using the feed for the poultry farming. SOLUTION: This feed for the poultry farming is obtained by adding one or more kinds each of a red xanthophyll colorant (a paprika and its related substance, a red yeast and its related substance, etc.), and a yellow xanthophyll colorant (a marigold and its related substance, a spirullina and its related substance, etc.), to a feed composed of only the raw material for the feed without substantially containing the xanthophyll. |
