Abstract Astaxanthin is a well-known antioxidant phytochemical that has limited bioavailability to humans. The present study was conducted to determine if microalgal astaxanthin was bioavailable to layer hens and affected antioxidant status of their tissues and eggs. A total of 50 White Leghorn Shavers (21-wk old) were divided into 5 groups (n = 10/group), caged individually in an environmentally-controlled room, and fed a corn-soybean meal basal diet supplemented with microalgal (Haematococcus pluvialis) astaxanthin (Heliae, Gibert, AZ) at 0, 10, 20, 40, and 80 mg/kg for 6 wk. Heat stress was induced during weeks 4–6 when the ambient temperature was raised 3 °C above the optimal temperature. Supplemental microalgal astaxanthin resulted in dose-dependent enrichments (P
Supplemental microalgal astaxanthin produced coordinated changes in intrinsic antioxidant systems of layer hens exposed to heat stress
A. Magnuson,T. Sun,R. Yin,Guanchen Liu,S. Tolba,S. Shinde,X. Lei
Published 2018 in Algal Research
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- Publication year
2018
- Venue
Algal Research
- Publication date
2018-07-01
- Fields of study
Agricultural and Food Sciences, Chemistry, Environmental Science
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