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Feifei Song,Aiqun Li,Yingya You 아시아건강운동학회 2023 Journal of Asian Society for Health & Exercise Vol.5 No.1
PURPOSE : With the advent of the AI and multi-media in 21st century, the innovation of media technology has brought new opportunities and challenges to the communication of academic journals. RESULTS : The study concluded that AI + multi-media can help sports academic journals realize the efficient production of academic papers, the diversified publication of academic achievements, and the precise distribution of academic ideas. CONCLUSIONS : It is also necessary to pay attention to the challenges, which are the accelerated imbalance in academic publishing ecology, slow enhancment of academic attractiveness, and becoming fomality in academic communication. The authors also puts forward the tactics, such as balancing technical rationality and value rationality, promoting the integration of technology and content, and strengthening the depth of accurate communication.
Genome shuffling improved acid-tolerance and succinic acid production of Actinobacillus succinogenes
Shumeng Hu,Ying You,Feifei Xia,Junmei Liu,Weichang Dai,Jingsheng Liu,Yuhua Wang 한국식품과학회 2019 Food Science and Biotechnology Vol.28 No.3
Succinic acid is widely applied to chemical,pharmaceutical, food, and agricultural industries. With therapid development of these industries, a great demand ofsuccinic acid is required. The acid-tolerance and succinicacid production of Actinobacillus succinogenes strain wereimproved by using genome shuffling. Results showed thatone modified strain AS-F32, with the best acid resistanceand the highest succinic acid production, was obtained after3 cycles of genome shuffling. The minimum growth pH ofAS-F32 was 3.5, and the acid production and cell dryweight were 5.1 and 4.8 g/L in flask, improved 2.6 and1.85 times over the start strain As-R2. Furthermore, thesuccinic acid yield of As-32 was 31.2 g/L and the dry cellweight was increased 44.4% by maintaining pH 4.8 with7.0 M NH4OH in 5 L bioreactor, increased 1.1 times thanthe original strain As-R2.
Li, Huaqiang,Jin, Liji,Wu, Feifei,Thacker, Philip,Li, Xiaoyu,You, Jiansong,Wang, Xiaoyan,Liu, Sizhao,Li, Shuying,Xu, Yongping Asian Australasian Association of Animal Productio 2012 Animal Bioscience Vol.25 No.11
Two experiments were conducted to study the effects of red pepper (Capsicum frutescens) powder or red pepper pigment on the performance and egg yolk color of laying hens. In Exp. 1, 210, thirty-wk old, Hy-line Brown laying hens were fed one of seven diets containing 0.3, 0.6, 1.2, 2.0, 4.8 or 9.6 ppm red pepper pigment or 0.3 ppm carophyll red. Each diet was fed to three replicate batteries of hens with each battery consisting of a row of five cages of hens with two hens per cage (n = 3). In Exp. 2, 180, thirty-wk old, Hyline Brown laying hens, housed similarly to those in Exp. 1, were fed an unsupplemented basal diet as well as treatments in which the basal diet was supplemented with 0.8% red pepper powder processed in a laboratory blender to an average particle size of $300{\mu}m$, 0.8% red pepper powder processed as a super fine powder with a vibrational mill ($44{\mu}m$) and finally 0.8% red pepper powder processed as a super fine powder with a vibrational mill but mixed with 5% $Na_2CO_3$ either before or after grinding. A diet supplemented with 0.3 ppm carophyll red pigment was also included (n = 3). In both experiments, hens were fed the red pepper powder or pigment for 14 days. After feeding of the powder or pigment was terminated, all hens were fed the basal diet for eight more days to determine if the dietary treatments had any residual effects. In Exp. 1, there were no differences in egg-laying performance, feed consumption or feed conversion ratio due to inclusion of red pepper pigment in the diet. Average egg weight was higher (p<0.05) for birds fed 1.2, 2.4 or 9.6 ppm red pepper pigment than for birds fed the diet containing 0.3 ppm red pepper pigment. On d 14, egg color scores increased linearly as the level of red pepper pigment in the diet increased. In Exp. 2, feeding red pepper powder did not affect egg-laying performance, feed consumption or feed conversion ratio (p>0.05). However, compared with the control group, supplementation with all of the red pepper powder treatments increased egg weight (p<0.05). All the red pepper powder treatments also increased (p<0.05) the yolk color score compared with the control. The results of the present study suggest that both red pepper powder and pigment are effective feed additives for improving egg yolk color for laying hens.