Astaxanthin supplementation enriches productive performance, physiological and immunological responses in laying hens

Yuanzhao Zhu; Long Yin; Jinshan Ge; Xuezhuang Wu; Yuhan Peng; Tao Zhang; Meihong Jiang

doi:10.5713/ab.20.0550

journal article Open Access Mar 01, 2021

Astaxanthin supplementation enriches productive performance, physiological and immunological responses in laying hens

Yuanzhao Zhu

Animal Bioscience Vol. 34 No. 3 pp. 443-448 · Asian Australasian Association of Animal Production Societies

View at Publisher Save 10.5713/ab.20.0550

Abstract

Objective: Astaxanthin is a natural super antioxidant. The present study was carried out to investigate the effect of astaxanthin rich <i>Phaffia rhodozyma</i> (PR) supplementation in diets on laying production performance, egg quality, antioxidant defenses and immune defenses in laying hens.Methods: A total of five hundred and twelve 60-week-old Lohmann Brown laying hens (2,243±12 g) were randomly assigned to four groups, each including 4 replicates with 32 birds per replicate. Astaxanthin rich PR was added to corn-soybean meal diets to produce experimental diets containing 0 (Control), 800 mg/kg, 1,200 mg/kg, and 1,600 mg/kg PR, respectively. The astaxanthin content in the diet was 0.96 mg/kg, 1.44 mg/kg and 1.92 mg/kg respectively.Results: Results showed that dietary PR supplementation tended to increase daily feed intake (p = 0.0512). There was no effect of astaxanthin rich PR on Haugh units, albumen height, egg shape index, eggshell strength, and eggshell thickness at weeks 6 (p>0.05). However, egg yolk color was significantly improved (p<0.05). In addition, astaxanthin rich PR supplementation significantly increased serum glutathione peroxidase and superoxide dismutase activity (p<0.05), increased serum immunoglobulin G content (p<0.05), and reduced malondialdehyde content (p<0.05) in laying hens.Conclusion: In conclusion, astaxanthin rich PR can improve the color of egg yolk, enhance the antioxidant defenses, and regulate the immune function.

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Metrics

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Citations

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References

Details

Published: Mar 01, 2021
Vol/Issue: 34(3)
Pages: 443-448
License: View

Authors

Y

Yuanzhao Zhu

a National Feed Engineering Technology Research Center , China Agricultural University , Beijing , China

L

Long Yin

Northeastern University

Department of Energy, Joint Genome Institute, Walnut Creek, CA 94598, USA.; Genomics Division, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA.

M

Meihong Jiang

State Key Laboratory of Chemical Resource Engineering; Beijing University of Chemical Technology; Beijing 100029; China

Funding

National Key Research and Development Plan Award: 2016YFD0501403

Major Scientific and Technological Projects in Anhui Province Award: 201904f06020004

Open Project Program of Key Laboratory of Feed Biotechnology of China

Agricultural Science and High-level Talents Introduction Project of Anhui Institute of Science and Technology Award: DKYJ201701

Cite This Article

Yuanzhao Zhu, Long Yin, Jinshan Ge, et al. (2021). Astaxanthin supplementation enriches productive performance, physiological and immunological responses in laying hens. Animal Bioscience, 34(3), 443-448. https://doi.org/10.5713/ab.20.0550

Astaxanthin supplementation enriches productive performance, physiological and immunological responses in laying hens

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