数字农科院2.0

Dual Functions of Dietary Rubber Seed Oil Supplementation: Enriching N-3 Polyunsaturated Fatty Acids and Enhancing Antioxidant Capacity in Pekin Ducks

文献类型： 外文期刊

作者： Zhuang, Lei;Wu, Yongbao;Zhao, Zitao;Cao, Junting;Guo, Yanhong;Wu, Zhanyue;Wang, Qimeng;Yang, Peilong;Wu, Sen;Wen, Zhiguo;Hou, Shuisheng

作者机构：

关键词： antioxidant capacity;N-3 polyunsaturated fatty acids;Pekin duck;rubber seed oil;total cholesterol

期刊名称： ANIMAL RESEARCH AND ONE HEALTH

ISSN： 2835-5075

年卷期： 2025 年

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收录情况： 无来源刊（2025版）

摘要： The present study aimed to determine whether rubber seed oil (RSO) could simultaneously increase antioxidant capacity and enrich n-3 PUFAs in Pekin ducks by evaluating growth performance, fatty acid profile, and antioxidant capacity. A total of 192 male Pekin ducks (1 day old, 51.9 +/- 0.3 g) were randomly allocated to four treatment groups, each consisting of four replicates with 12 ducklings per replicate. Ducks were fed with experimental diets supplemented with 0 (Control), 1% (RSO1), 2% (RSO2), and 3% (RSO3) RSO, respectively, for 42 days. Dietary RSO supplementation improved weight gain (p < 0.05), decreased feed/gain (p < 0.05), and reduced the yield of abdominal fat and liver (p < 0.05) of Pekin ducks. Total cholesterol and triglyceride contents were decreased (p < 0.05), whereas the contents of n-3 PUFAs in plasma, liver, and breast meat increased in Pekin ducks with increasing dietary RSO levels (p < 0.05). Simultaneously, the antioxidant activities in plasma, liver, and breast meat were enhanced in Pekin ducks after feeding RSO diets (p < 0.05). Additionally, dietary RSO increased the mRNA expression levels related to cholesterol transport (p < 0.05) and decreased the mRNA expression levels related to lipid synthesis in the liver of Pekin ducks (p < 0.05). In summary, dietary RSO supplementation improved growth performance, enriched n-3 PUFAs, and enhanced antioxidant capacity in Pekin ducks. These findings suggest that RSO could serve as a novel source of n-3 PUFAs and an antioxidant for Pekin ducks, with the potential to contribute to the generation of animal functional foods.

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