| 摘要 |
Provided is a method whereby a feed can be stably supplied at a reduced cost and eggs having a yolk color preferred by consumers can be obtained. More specifically, provided are: a formula feed for poultry that contains not more than 50% of corn and 1-8 ppm of astaxanthin derived from a dried bacteria powder; and a method for obtaining eggs having a desired yolk color with the use of the formula feed. According to the present invention, a formula feed, which can be stably supplied at a low cost regardless of season or weather, can be provided and, moreover, poultry eggs having a yolk color suitable for the consumers' taste can be provided at a lower cost. |
