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- 저자 : Guoxian Wang (검색결과 2 건)
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Yang, Bowen,Zhao, Guoxian,Wang, Lin,Liu, Shujing,Tang, Jie Asian Australasian Association of Animal Productio 2021 Animal Bioscience Vol.34 No.2
Objective: The purpose of this experiment was to investigate the effects of the Agaricus bisporus stem residue (ABSR) on the performance, nutrients digestibility, antioxidant activity of laying hens, and its effects on egg storage to determine the appropriate dosage of ABSR, so as to provide a scientific basis for the effective utilization of ABSR. Methods: A total of 384 53-wk-old Nongda III layers were randomly divided into six treatments, four replicates in each treatment and 16 birds in each replicate. The control treatment was fed with basic diet, while experimental treatments were fed with diets of 2%, 4%, 6%, 8%, and 10% ABSR respectively. The experimental period was 56 d. Results: The results showed that compared with the control treatment, ABSR had no significant effect on laying performance (p>0.05). The crude protein and total energy digestibility of experimental treatments was significantly higher than those of control treatment (p<0.05). When eggs were stored for 1 wk, 2 wk, and 3 wk at 25℃, there were no significant differences in egg storage between the experimental treatments and the control treatment (p>0.05). The superoxide dismutase (SOD) activity and glutathione peroxidase (GSH-Px) activity in the serum of the experimental treatments were significantly higher than those of the control treatment (p<0.05), and the malonaldehyde (MDA) content did not change dramatically. SOD activity in yolk of experimental treatments was significantly higher than that in control treatment (p<0.05); MDA content in yolk was markedly lower than that in control treatment (p<0.05). The activity of GSH-Px and SOD in yolk of experimental treatments was significantly higher than that of control treatment stored at 25℃ for 21 d, and the content of MDA was significantly lower than that of control treatment (p<0.05). Conclusion: ABSR can be used to improve the antioxidant activity of laying hens without affecting laying performance.
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Jiwei Ruan,용영록,Chunmei Yang,Guoxian Wang,Lifang Wu,Shenchong Li,Pang Tao,Chengfei Liao,Ji-Hua Wang 한국원예학회 2017 Horticulture, Environment, and Biotechnology Vol.58 No.6
Studies on the inheritance of day-neutrality, a highly desirable trait in strawberry (Fragaria×ananassa),have not been conclusive because flowering phenotypes were evaluated based on different materials and experimentalsites. In the present study, selfed and crossed progenies of Day-neutral (DN) ‘Albion’ and June-bearing (JB) ‘Akihime’cultivars, namely ‘Albion’ × ‘Albion’, ‘Akihime’ × ‘Akihime’, and ‘Akihime’ × ‘Albion’, were established in 2013and 2014. The flowering phenotype (DN or JB) of seedlings from each of the three progenies, as well as of parentalplants, was evaluated for two successive years (2015 and 2016) in Central Yunnan, China, and their segregationratios were used to elucidate day-neutrality inheritance. Single dominant gene inheritance was demonstrated forday-neutrality, although minor genes (from the JB parent ‘Akihime’) likely increase DN magnitude. During thejuvenile stage (i.e., long before the first inflorescence), the major gene controlling day-neutrality may not beexpressed. We provide basic information for DN gene mapping and cloning, as well as materials (progenies) fordomestic DN strawberry breeding.
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