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- Title
Feeding Laying Ducks Eucommia ulmoides oliv. Leaves Increases the n-3 Fatty Acids Content and Decreases the n-6: n-3 PUFA Ratio in Egg Yolk without Affecting Laying Performance or Egg Quality.
- Authors
Feng, Yulong; Dai, Guotao; Han, Xue; Li, Meijuan; Zhao, Degang; Wu, Jiahai; Wu, Yongbao; Wen, Zhiguo
- Abstract
The objective was to determine the effects of supplementing duck diets with Eucommia ulmoides oliv. leaf powder (EUL). Laying ducks (n = 480) were randomly allocated into 4 experimental treatments and fed diets containing 0, 1, 2, or 4% EUL. Dietary inclusion of EUL had no effect (p > 0.05) on laying performance or egg quality, but linearly increased (p < 0.05) total plasma protein, globulin, and HDL-C concentrations with concurrent reductions (p < 0.05) in plasma concentrations of cholesterol and LDL-C. Eggs laid by ducks receiving EUL had yolks with linearly higher phenolic concentrations (p < 0.05) but lower cholesterol concentrations (p < 0.05). EUL supplementation in duck diets significantly reduced n-6: n-3 PUFA ratio by enriching n-3 fatty acids in yolks (p < 0.05) with no changes in n-6 PUFA (p >0.05).
- Subjects
OMEGA-3 fatty acids; EUCOMMIA ulmoides; EGG quality; EGG yolk; DUCKS; BLOOD proteins
- Publication
Foods, 2023, Vol 12, Issue 2, p287
- ISSN
2304-8158
- Publication type
Article
- DOI
10.3390/foods12020287