“…It is should note that aquatic animals are also rich in certain important carotenoids, especially some fish and shellfish, and the review of Tan et al provided a detailed demonstration about this topic (Tan et al, 2022). However, there is no doubt that the production and consumption of livestock products are much higher than those of aquatic products all over the world ( Scanes, 2018 , Edwards et al, 2019 ). Hence, it is necessary to give more attention about the deposition and enrichment of carotenoids in livestock products, which will make a great significance for human rational diet.…”