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Effects of the Dietary Replacement of Soybean Oil with Rubber Seed Oil on the Growth Performance, Carcass Trait, and Status of Lipid Metabolism in Pekin Ducks

Author

Listed:
  • Zitao Zhao

    (Key Laboratory of Feed Biotechnology of Ministry of Agriculture, Institute of Feed Research, Chinese Academy of Agricultural Sciences, Beijing 100081, China
    These authors contributed equally to this work.)

  • Yanhong Guo

    (Key Laboratory of Feed Biotechnology of Ministry of Agriculture, Institute of Feed Research, Chinese Academy of Agricultural Sciences, Beijing 100081, China
    These authors contributed equally to this work.)

  • Lei Zhuang

    (Key Laboratory of Feed Biotechnology of Ministry of Agriculture, Institute of Feed Research, Chinese Academy of Agricultural Sciences, Beijing 100081, China)

  • Yongbao Wu

    (Key Laboratory of Feed Biotechnology of Ministry of Agriculture, Institute of Feed Research, Chinese Academy of Agricultural Sciences, Beijing 100081, China)

  • Jing Liu

    (Key Laboratory of Feed Biotechnology of Ministry of Agriculture, Institute of Feed Research, Chinese Academy of Agricultural Sciences, Beijing 100081, China)

  • Junting Cao

    (Key Laboratory of Feed Biotechnology of Ministry of Agriculture, Institute of Feed Research, Chinese Academy of Agricultural Sciences, Beijing 100081, China)

  • Zhanyue Wu

    (Key Laboratory of Feed Biotechnology of Ministry of Agriculture, Institute of Feed Research, Chinese Academy of Agricultural Sciences, Beijing 100081, China)

  • Zhiguo Wen

    (Key Laboratory of Feed Biotechnology of Ministry of Agriculture, Institute of Feed Research, Chinese Academy of Agricultural Sciences, Beijing 100081, China)

Abstract

The objective of this study is to determine the effects of the dietary replacement of soybean oil (SO) with rubber seed oil (RSO) on the growth performance, carcass trait, and lipid metabolism in Pekin ducks. A total of 160 1-day-old Pekin ducks were randomly allocated to four experimental treatments and fed diets with different ratios of SO to RSO as follows: 3:0 (control), 2:1, 1:2, and 0:3. Dietary RSO supplementation had no effect on their growth performance; however, it significantly decreased the yield of abdominal fat ( p < 0.05). As the dietary RSO increased, the plasma TG, CHO, LDL-C, and HDL-C contents of ducks decreased ( p < 0.05). Additionally, the contents of total fat, triglycerides, and cholesterol in the liver and breast reduced in the ducks fed RSO diets ( p < 0.05). Liver n-3 PUFA levels linearly increased ( p < 0.05), while the n-6/n-3 PUFA ratios reduced with increasing RSO levels ( p < 0.05). Moreover, dietary RSO supplementation resulted in decreased gene expressions of FABP1 , ME1 , SREBP1c , FASN , DGAT2 , and HMGCR ( p < 0.05), while there was an increased expression of the ABCA1 gene ( p < 0.05) in the liver of the ducks. In conclusion, dietary RSO supplementation reduced fat deposition and enhanced n-3 PUFA levels without affecting the growth performance of Pekin ducks.

Suggested Citation

  • Zitao Zhao & Yanhong Guo & Lei Zhuang & Yongbao Wu & Jing Liu & Junting Cao & Zhanyue Wu & Zhiguo Wen, 2023. "Effects of the Dietary Replacement of Soybean Oil with Rubber Seed Oil on the Growth Performance, Carcass Trait, and Status of Lipid Metabolism in Pekin Ducks," Agriculture, MDPI, vol. 13(9), pages 1-12, August.
    • Handle: RePEc:gam:jagris:v:13:y:2023:i:9:p:1717-:d:1228836
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    References listed on IDEAS

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    1. Xiao-Yi Lu & Xiong-Jie Shi & Ao Hu & Ju-Qiong Wang & Yi Ding & Wei Jiang & Ming Sun & Xiaolu Zhao & Jie Luo & Wei Qi & Bao-Liang Song, 2020. "Feeding induces cholesterol biosynthesis via the mTORC1–USP20–HMGCR axis," Nature, Nature, vol. 588(7838), pages 479-484, December.
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    Cited by:

    1. Daniel Simeanu & Răzvan-Mihail Radu-Rusu & Adrian Maximilian Macri & Daniel Mierliță, 2024. "Animal Nutrition and Productions: Series II," Agriculture, MDPI, vol. 14(3), pages 1-7, March.

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