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兰州大学研究生导师：郭旭生正文
学习经历
2013.06-2013.07，瑞士苏黎世联邦理工学院农业科学研究所动物营养室，访问学者
2011.03-2012.03，美国威斯康辛州立大学奶业科学系/美国农业部奶业与牧草研究中心，访问学者
2009年4-5月，澳大利亚西澳大学，访问学者
2008年10月－11月 英国牛津大学/麦考利土地利用研究所，访问学者
2004.9-2007.6 在中国农业大学，获农学博士学位
2001.9-2004.7 在在宁夏大学，获农学硕士学位
1997.9-2001.6 在宁夏农学院，获农学学士学位
工作经历
2013.05-今， 兰州大学生命科学学院农业生态所 教 授 博士生导师
2009.05-2013.05，兰州大学生命科学学院农业生态所 副教授 硕士生导师
2007.07-2009.05 兰州大学生命科学学院干旱与草地生态教育部重点实验室 讲师
教学及指导研究生情况
目前在读研究生9名,博士研究生3名。
发表论文及专著
学术论文：
SCI论文
Guo X.S.*,Ke W.C., W.R. Ding, L.M. Ding, D.M. Xu, W.W.,Wang, P. Zhang, F.Y.Yang.2017. Profiling of metabolome and bacterial community dynamics in ensiled Medicago sativa inoculated without or with Lactobacillus plantarum or Lactobacillus buchneri.Scientific Reports.DOI: 10.1038/s41598-017-18348-0.
Ke W.C., W.R. Ding, D.M. Xu, L.M. Ding, P. Zhang, F.D. Li, X.S. Guo*.2017. Effect of addition of malic or citric acids on fermentation quality and chemical characteristics of alfalfa silage. Journal of Dairy Science. 100:8958-8966.
Ding Wurong, Wencan Ke, Jianwei Zhou, Ming Chen，Lina Wang, Xusheng Guo*, Ruijun Long. 2017.Characterization of antioxidant properties of lactic acid bacteria isolated from spontaneously fermented yak milk in the Tibetan Plateau.Journal of Functional Foods.
Ding W.R., Shi C, Chen M, Zhou J. W., Long R. J.*, Guo X. S*. 2017. Screening for lactic acid bacteria in traditional fermented Tibetan yak milk and evaluating their probiotic and cholesterol-lowering potentials in rats fed a high-cholesterol diet. Journal of Functional Foods. 32:324-332.
Ke WC, FY Yang, DJ Undersander, XS Guo*. 2015. Fermentation characteristics, aerobic stability, proteolysis and lipid composition of alfalfa silage ensiled with apple or grape pomace. Animal Feed Science and Technology. 202, 12-19.
Ding L.M., Chen J.Q., Long R.J., Gibb M.J., Wang L., Sang C., Mi J.D., Zhou J.W., Liu P.P., Shang Z.H., Guo X.S., Qiu Q., Marquardt S. 2015. Blood hormonal and metabolite levels in grazing yak steers undergoing compensatory growth. Animal Feed science and Technology, 209:30-39
Zhou J. W., J. D. Mi, E. C. Titgemeyer, X. S. Guo, L. M. Ding, H. C Wang, Z. P. Li, and R. J. Long. 2015. A comparison of nitrogen utilization and urea metabolism between Tibetan and Fine-wool sheep. Journal of Animal Science, 93:3006-3017.
Zhou J. W., J. D. Mi, X. S. Guo, H. C. Wang, L. M. Ding, Q. Qiu, R. J. Long. 2015. Apparent digestibility, rumen fermentation and nitrogen balance in Tibetan and Fine-wool sheep offered a forage-concentrate diet differing in nitrogen concentration. Journal of Agricultural Science，153, 1135–1145
Zhou J.W., X.S. Guo, A.A. Degen, Y. Zhang, H. Liu, J.D. Mi, L.M. Ding, H.C. Wang, Q. Qiu, R.J. Long. Urea kinetics and nitrogen balance and requirements for maintenance in Tibetan sheep when fed oat hay. Small Ruminant Research 129, 60–68.
Guo X. S., Ruijun Long, Michael Kreuzer, Luming Ding, Zhanhuan Shang, Ying Zhang, Yang Yang and Guangxin Cui. 2014. Importance of functional ingredients in yak milk derived food from alpine region on health of Tibetan nomads living under high altitude stress-A review. Critical Reviews in Food Science and Nutrition 54, 292-302
L.M. Ding, Y.P. Wang, A. Brosh, J.Q. Chen, M.J. Gibb, Z.H. Shang, X.S. Guo, J.D. Mi, J.W. Zhou, H.C. Wang, Q. Qiu, R.J. Long. 2014. Seasonal heat production and energy balance of grazing yakson the Qinghai-Tibetan plateau. Animal Feed Science and Technology. 198,83–93.
X. S. Guo, D. J. Undersander, D. K. Combs. 2013. Effects of Lactobacillus inoculants and forage dry matter on the fermentation and aerobic stability of ensiled mixed-crop tall fescue and meadow fescue. Journal of Dairy Science 96 (3), 1735-1744.
Ding. WR, RJ. Long, and X.S. Guo*. 2013. Effects of plant enzyme inactivation and sterilization on lipolysis and proteolysis in alfalfa silage. Journal of Dairy Science 96 (4), 2536-2543.
Ding W.R., X.S. Guo*, Kazuo Ataku. 2013. Characterization of peptides in ensiled alfalfa treated with different chemical additives. Animal Science Journal 84(12), 774-781(IF2012=1.037).
Ding L, Y Wang, M Kreuzer, X Guo, R. Long. 2013. Seasonal variations in the fatty acid profile of milk from yaks grazing on the Qinghai-Tibetan plateau. Journal of Dairy Research, 4, 410-417
Tao L., X.S. Guo*, H. Zhou, D.J. Undersander. 2012. Characteristics of proteolytic activities of endo- and exopeptidase in alfalfa herbage and their implications for proteolysis in ensilage. Journal of Dairy Science, 95, 4591-4595.
Guo X.S., L.M. Ding, R. J. Long, B. Qi, Z.H. Shang and M. L. Lian. 2012. Changes of chemical composition to high altitude result in Kobresia littledalei growing in alpine meadow of the Tibet Plateau with high feeding values to local herbivores. Animal Feed Science and Technology, 173, 186-193.
Zhang Y., J.W. Zhou, X.S. Guo, R.J. Long. 2012. Influences of dietary nitrogen and non-fiber carbohydrate levels on apparent digestibility, rumen fermentation and nitrogen utilization in growing yaks fed low quality forage based-diet. Livestock Science, 147, 139-147.
Lian Tao, Menglu Li, Xusheng Guo, Fuyu Yang and He Zhou, 2012. Effect of Epiphytic Microorganisms and Exogenous Lactic Acid Bacteria on the Formation of Non-protein Nitrogen During the Ensiling of Alfalfa. Journal of Animal and Veterinary Advances, 11: 2181-2186.
Guo X. S., D. J. Undersander, D. K. Combs. 2012. Effects of Lactobacillus inoculants and forage dry matter on the fermentation and aerobic stability of ensiled mixed-crop tall fescue and meadow fescue. Journal of Animal Science.90, Suppl. 3/Journal of Dairy Science. 95, Suppl. 2, 534-535 (Abstract).
X. S. Guo, Y. Zhang, J. W. Zhou, R. J. Long, G. S. Xin, B. Qi, L. M. Ding, H. C. Wang. 2012. Nitrogen metabolism and recycling in yaks (Bos grunniens) offered a forage:concentrate diet differing in N composition. Animal Production Science, 52, 287-296.
Ding, Xuezhi, Long, Ruijun, Zhang, Qian, Huang, Xiaodan, Guo, Xusheng, Mi, Jiandui. 2012. Reducing methane emissions and the methanogen population in the rumen of Tibetan sheep by dietary supplementation with coconut oil. Tropical Animal Health and Production, 44(7), 1541-1545.
Tao L., H. Zhou, X.S. Guo*, R.J. Long, Y. Zhu. 2011. Contribution of Exopeptidase to the Formation of Nonprotein Nitrogen during the Ensiling of Alfalfa. Journal of Dairy Science 94, 3928-3935
L. Tao, Z. Yu, X.S. Guo and H. Zhou. 2011. Ensiling and in vitro digestibility characteristics of Ceratoides arborescens treated with lactic acid bacteria inoculants and cellulose. African Journal of Biotechnology, 10(66), 14947-14953.
Guo X.S., W. Cheng, F.Y. Yang, H. Zhou. 2011. Contribution of Endopeptidase to the Formation of Nonprotein Nitrogen during the Ensiling process of Alfalfa. Animal Feed Science and Technology, 168, 42-50.
G.S. Xin, R.J. Long, X.S. Guo, J. Irvine, L.M. Ding, L.L. Ding and Z.H. Shang. 2011. Blood mineral status of grazing Tibetan sheep in the Northeast of the Qinghai–Tibetan Plateau. Livestock Science. 136, 102-107.
Y. Zhu, C.S. Bai, X.S. Guo*, Y.L. Xue, Kazuo Ataku. 2011. Nutritive value of corn silage in mixture with Garden Pea. Animal Production Science 51, 1117-1122.
Yu Zhu, Naoki Nishino, X.S. Guo*. Chemical changes during ensilage and in sacco degradation of two tropic grasses: Rhodesgrass and Guineagrass treated with cell wall degrading enzymes. Asian-Australasian Journal of Animal Science. 2011, 24, 214-221.
Fang, X. W., Turner, N. C., Li, F. M., Li, W. J., Guo, X. S. 2011. Caragana korshinskii seedlings maintain positive photosynthesis during short-term, severe drought stress. Photosynthetica, 49(4), 603-609.
Wang Hucheng, Ruijun Long, Juan Boo Liang, Xusheng Guo, Luming Ding and Zhanhuan Shang. 2011. Comparison of Nitrogen Metabolism in Yak (Bos grunniens) and Indigenous Cattle (Bos taurus) on the Qinghai-Tibetan Plateau. Asian-Australasian Journal of Animal Science, 24(6):766-773
Xin Guo-sheng, Hu Zheng, Zhou Wei, Yang Zhi-qiang, Guo Xu-sheng, Long Rui-jun. Determination of Inorganic Elements in the Soil-Grass-Animal System by Sealed Microwave Digestion ICP-AES . Spectroscopy and Spectral Analysis, 2010, 30(2), pp 546-550
Ding Xue-zhi, Long Rui-jun, Mi Jian-dui, Guo Xu-sheng. Measurement of Methane and Carbon Dioxide Emissions from Ruminants Based on the NDIR Technique. Spectroscopy and Spectral Analysis, 2010, 30(6), pp 1503-1506
Guo-xusheng, Shang-zhanhuan, Long-ruijun. Progress of Application of Near Infrared Reflectance Spectroscopy in the Study of Ruminant Nutrition. Spectroscopy and Spectral Analysis. 2009，29(3):641-646.
H. Wang, R. Long, W. Zhou, X. Li, J. Zhou and X.S. Guo. A comparative study on urinary purine derivative excretion of yak (Bos grunniens), cattle (Bos taurus), and crossbred (Bos taurus x Bos grunniens) in the Qinghai-Tibetan plateau, China. Journal of Animal Science. 2009. 87:2355-2362.
Shang Z. H., Guo X. S., Long R. J. Spectroscopy Technique and Ruminant Methane Emissions Accurate Inspecting. Spectroscopy and Spectral Analysis. 2009，29(3):740-744
Ding W. R., Gan Y. M., Guo X.S. Yang F.Y. Application of Near Infrared Reflectance Spectroscopy Technique in Evaluation of Hay Quality. Spectroscopy and Spectral Analysis. 2009，29(2):358-361
X.S. Guo, W.R. Ding, H. Zhou. Characterization of protein fractions and amino acids in ensiled alfalfa treated with different chemical additives. Animal Feed Science and Technology, 2008,142,89-98.
X.S. Guo, H. Zhou and W.R. Ding. Fuzzy comprehensive evaluation on the quality of different mixed feeds for fattening lambs by using in vitro method. Livestock Science, 2008，115，137-143.
R. J. Long, L. M. Ding, Z. H. Shang, X. S. Guo. The yak grazing system on the Qinghai-Tibetan plateau and its status. The Rangeland Journal. 2008, 30:241–246
X.S. Guo, H. Zhou, and Y. Zhu. Changes in the distribution of N and plant enzymatic activity during ensilage of lucerne treated with different additives. Grass and Forage Science, 2007, 1: 35-43.
X.S. Guo, W.R. Ding, H. Zhou. Protein fractions (Cornell system) of lucerne dried or ensiled with different additives. Journal of Animal and Feed Sciences, 2007，16 (suppl.2), 261-265
国际学术会议论文
Guo, X.S.，Ke, W.C.，Zhang, H.M，Bao, A.A. 2015. Metabolomic profi les of alfalfa silage inoculated with or without Lactobacillus plantarum and L. buchneri. Ι. Fermentation quality and differentially expressed metabolites. In: Proceedings of the XVII International Silage Conference, July 1-3, Piracicaba, Brazil. p. 68-69.
Guo X.S., W.C. Ke, H. M. Zhang, A.A. Bao, M. Chen, J. Zhang and P.X. Jing. Metabolomic profi les of alfalfa silage inoculated with or without Lactobacillus plantarum and L. buchneri. П. Metabolites distribution patterns. In: Proceedings of the XVII International Silage Conference, July 1-3, Piracicaba, Brazil. p. 430-431.
Guo X.S. Z.H.Shang, L.M. Ding. 2013. High altitude stress of the Tibetan Plateau confers alpine herbages and animal products with high nutritive value and quality. In: Proceedings of 17th Meeting of the FAO-CIHEAM Mountain Pasture Network: Pastoralism and ecosystem conservation. Oral presentation. June 5-7, 2013, Trivero, Italy.
Marsetyo, Muhammad Shoaib Tufail, Samuel Mbuku, Mupenzi Mutimura, Xusheng Guo and John Piltz. Utilisation of conserved forage to improve livestock production on smallholder farms in Asia and Africa. In: Proceedings 22nd International Grassland Congress, 15-19 September 2013. Sydney, NSW, Australia.
Guo X.S. Influence of Plant Enzyme Inactivation or Sterilization on Lipolysis in Ensiled Alfalfa. In: Proceedings of the III International Symposium on Forage Quality and Conservation. July 22-23rd, 2013. Royal Palm Plaza Resort, Campinas, SP – Brazil.
X. S. Guo. 2012. Contribution of endo and exopeptidases to formation of nonprotein N during ensiling of alfalfa. In: Proceedings of the XVI International Silage Conference, July 2-4, 2012, Hameenlina, Finland. p. 58-59. Oral Presentation.
X.S. Guo, Ruijun Long, Luming Ding, Wolfgang Bayer. Goat Products, Breeding Objectives and Flock Structure on the Tibetan Plateau. In: Multifunctional Grasslands in a Changing World. Organizing Committee of 2008 IGC/IRC (eds.) Proceeding of the ⅩⅪInternational Grassland Conference and Ⅷ International Rangeland conference, Hohhot, China. 2008, Vol.Ⅱ, 105.
X.S. Guo, H. Zhou. Effect of different additives on nitrogen distribution of alfalfa silage. In: Long P.G. and Z.B. Nan (eds.) Proceeding of the 2th China-Japan-Korea international Grassland Conference, Lanzhou, China, 2006, 47-48.
专著：
1.参编“十一五”国家重点出版图书《10000个科学难题》（农业卷），“畜牧学”部分——豆科牧草青贮中蛋白的水解与抑制，985-988页。科学出版社，2011年出版。
2.参编日文专著《最新饲料青贮技术-青贮饲料及TMR的调制与饲喂》，日本酪农学园大学出版社，2012年出版。主编：安宅一夫 教授。
3.参编英文专著《Rangeland Degradation and Recovery in China's Pastoral Lands》,Edited by Victor R. Squares, Lu Xinshi, Lu Qi, Wang Tao and Yang Youlin. CABI,2009.
研究方向
目前主要从事的研究方向：
青藏高原乳酸菌种质资源发掘、创新与利用；
新型生物饲料添加剂创制与应用；
饲料青贮发酵技术及营养价值评价；
藏系反刍家畜营养代谢与环境适应。
项目成果
曾先后主持与参加国家及省部级等项目10余项，参编中文、英文和日文专著各一部。目前发表科技论文100余篇，其中SCI论文40余篇。获国家发明专利6项，实用新型专利3项。
主持与参加的科研项目：
国家重点研发计划政府间（中美）国际科技创新合作重点专项项目“我国南北方青贮饲料发酵品质与安全调控技术研究”（2017YFE0104300，2018-2020）-主持
国家自然科学基金面上项目“基于微生物组与代谢组学的青贮饲料发酵调控技术研究”（31672487,2017-2020）-主持
甘肃省科技支撑计划项目“紫花苜蓿青贮工艺及高效饲喂奶牛的技术研究与示范”（1304NKCA124，2013-2015）-主持
国家自然科学基金面上项目“青藏高原牧草附着乳酸菌的遗传多样性及其饲料青贮应用的基础研究”（31272486,2013-2016）-主持
国家公益性（农业）行业专项“饲草青贮工艺技术及配套设施装备的研究与示范”研究任务“高热高湿区黑麦草青贮技术研究与示范”（2013-2016）-主持
教育部新世纪优秀人才支持计划资助项目“青藏高原传统发酵牦牛酸奶中乳酸菌的遗传多样性及生物功能评价”（NET-11-0209，2012-2014)
“十二五”农村领域国家科技计划课题“优质牧草资源开发与多元化草产品加工利用关键技术研究与集成示范”（2011BAD17B02，2012-2015）-参加
国家自然科学基金面上项目“牦牛适应高寒营养胁迫的氮代谢机制”（31170378，2012-2015）—参加
国家自然科学基金青年基金“苜蓿青贮中蛋白降解酶的种类、特性及其作用机理（30800800，2009-2011）”—主持
教育部博士点基金新教师项目“苜蓿青贮过程中蛋白的降解特性研究”（200807301008，2009-2011）—主持
兰州大学中央高校基本科研业务费专项资金资助项目“牦牛适应高寒营养胁迫的氮代谢机制”（lzujbky-2009-46,2010.1-2010-12）-主持
兰州大学干旱与草地生态教育部重点实验室开放基金“青藏高原不同海拔梯度与牧草中乳酸菌多样性的相关机制研究”（2009.7-2011.6）-主持
“十一五”国家科技支撑计划项目“西藏牦牛良种选育、高校养殖及产业化开发研究”课题“饲草生产体系研究（2007BAD63B04,2007-2010）”—参加
农业部公益性行业科研专项“人工草地优质牧草生产技术研究与示范”子课题（编号： nyhyzx07-22；时间：2007-2010）—主持
欧盟项目：Rangeland enclosure on the Tibetan Plateau of China: Impacts on pastoral livelihoods, markerting, livestock productivity and rangeland biodiversity(INCO-032350; 2007-2010)-参加
荣誉、获奖
教育部新世纪人才，甘肃省飞天学者。
社会工作
SCI期刊Archives of Animal Nutrition和Grassland Science编委。
国家牧草产业科技创新战略联盟青贮与牧草保存专业委员会主任委员；中国草学会青年学术委员会副主任委员；中国草学会草产品加工委员会常务理事；甘肃省草产业技术创新战略联盟草产品专业委员会牵头专家；甘肃定西市市政府特聘专家，甘肃定西市牧草产业科技创新战略联盟理事长。
SCI期刊 J Dairy Sci., Anim Feed Sci. Technol., Anim Prod.Sci., J Sci. Food. Agr.，Appl. Envrion. Microb等杂志审稿人。
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