Effects of dietary fermented peony seed dreg on the laying performance, albumen quality, antioxidant capacity, and n-3 PUFA-enriching property of laying hens
文献类型: 外文期刊
作者: Wan, Yi 1 ; Ma, Ruiyu 1 ; Qi, Renrong 1 ; Lu, Jing 2 ; Wang, Zaigui 2 ; Ma, Qiugang 3 ; Liu, Wei 1 ; Li, Junying 1 ; Li, Yan 1 ; Zhan, Kai 1 ;
作者机构: 1.Anhui Acad Agr Sci, Inst Anim Husb & Vet Med, Anhui Key Lab Livestock & Poultry Prod Safety Engn, Hefei, Peoples R China
2.Anhui Agr Univ, Coll Life Sci, Hefei, Peoples R China
3.China Agr Univ, Coll Anim Sci & Technol, State Key Lab Anim Nutr, Beijing, Peoples R China
关键词: fermented peony seed dreg; laying performance; egg quality; serum parameters; n-3 polyunsaturated fatty acid
期刊名称:FRONTIERS IN VETERINARY SCIENCE ( 影响因子:3.2; 五年影响因子:3.5 )
ISSN:
年卷期: 2023 年 9 卷
页码:
收录情况: SCI
摘要: IntroductionIt is of great importance to seek agro-industrial byproducts that can serve as unconventional or alternative feedstuffs for poultry, especially those that are substitutive sources of n-3 polyunsaturated fatty acids (PUFAs), as this will contribute to alleviating feed shortage pressure and improving poultry performance and product quality. In this study, the effects of dietary fermented peony seed dreg (FPSD) on the production performance of hens and fatty acid composition of meat and egg yolk were evaluated. MethodsA total of 480 54-week-old Xinyang chickens were divided into 5 groups: control (basal diet); 5% peony seed dreg (PSD); and 5%, 7% and 9% FPSD, and each group consisted of 6 replicates with 16 birds per replicate. Production performances were recorded daily, and egg quality, serum parameters, antibody titers and fatty acid profile in the muscle and yolk were measured at 64 weeks of age. Results and discussionEgg production, feed conversion ratio and egg albumen quality were improved (p < 0.05) by 5% and 7% FPSD groups compared to 5% PSD and the control diet. Immune status was not influenced by PSD, but antibody titres against H7N9 and ND were improved by FPSD diets during most of the experimental periods. Dietary 5% and 7% FPSD increased (p < 0.05) serum high density lipoprotein concentrations and glutathione peroxidase actives. Total n-3 polyunsaturated fatty acids (PUFA) in meat and yolk increased gradually, while the total saturated fatty acids (SFA) and the n-6/n-3 PUFA ratio decreased gradually with increasing dietary FPSD levels. In conclusion, up to 7% dietary FPSD has the potential use to be utilized as a supplement in Xinyang laying hen diets to produce n-3 PUFA-enriched meat and eggs and positively affect production performance and health status.
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