| 摘要 |
A pet food composition having at least two carotenoids. The carotenoids can include a keto-carotenoid and at least one non-keto-carotenoid. The keto-carotenoid can include astaxanthin. The keto-carotenoid can include astaxanthin ester. The non-keto-carotenoid can include beta-carotene and/or lutein. |
