Professor, Agricultural Systems, University of Pennsylvania School of Veterinary Medicine, Department of Clinical Studies, New Bolton Center

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Contact Information:
University of Pennsylvania
School of Veterinary Medicine
Dept of Clinical Studies
New Bolton Center
382 West Street Road
 Phone 610-925-6242
 Fax 610-925-6823
 Email douzheng@vet.upenn.edu

Agroecosystems(transformation and transport of nutrients, environmental fate of pollutants); Animal production systems (nutrient efficiency and pathways,pharmaceuticals, GHGs); Global food security.

Dou Z., Knowlton KF., Kohn RA., Wu Z., Satter LD., Zhang G., Toth JD., Ferguson JD. Phosphorus characteristics of dairy feces affected by diets Journal of Environmental Quality 31: 2058-65, 2002.

Dou Z, Zhang GY, Stout WL, Toth JD, Ferguson JD Efficacy of Alum and Coal Combustion By-Products in Stabilizing Manure Phosphorus J. Environ. Qual. 32: 1490-7, 2003.

Dou Z, Ferguson JD, Fiorini J, Toth JD, Alexander SM, Chase LE, Ryan CM, Knowlton KF, Kohn RA, Peterson AB, Sims JT, Wu Z Phosphorus Feeding Levels and Critical Control Points on Dairy Farms J. Dairy Sci. 86: 3787-95, 2003.

Dou Z, Ramberg CF Jr, Chapuis-Lardy L, Toth JD, Wu Z, Chase LE, Kohn RA, Knowlton KF, Ferguson JD A fecal test for assessing phosphorus overfeeding on dairy farms: evaluation using extensive farm data. J Dairy Sci. 93: 830-9, 2010.

W. Zhang, Z. Dou, P. He, X. Ju, D. Powlson, D. Chadwick, D. Norse,Y. Lu, Y. Zhang, L. Wu, X. Chen, K. G. Cassman, and F. Zhang New technologies reduce greenhouse gas emissions from nitrogenous fertilizer in China PNAS 110: 8375-80, 2013.

Sims, T. L. Ma, F. Zhang, Z. Dou, O. Onema Nutrient Management, Food Security and the Environment: Global Challenges Journal of environmental quality 42: 947-950, 2013.

Li, Y., W. Zhang, L. Ma, L. Wu, J. Shen, W.J. Davies, O. Oenema, F. Zhang, and Z. Dou An analysis of China's grain production: looking back and looking forward. Food and Energy Security 3: 19-32, 2014.

Dou, Z., J. Ferguson, D. Galligan, A. Kelly, S. Finn, R. Giegengack. Assessing food loss across U.S. supply chain and opportunities for reduction Global Food Security 8: 19-26, 2016.

Zhang Weifeng, Cao Guoxin, Li Xiaolin, Zhang Hongyan, Wang Chong, Liu Quanqing, Chen Xinping, Cui Zhenling, Shen Jianbo, Jiang Rongfeng, Mi Guohua, Miao Yuxin, Zhang Fusuo, Dou Zhengxia Closing yield gaps in China by empowering smallholder farmers. Nature : , 2016.

Pitta Dipti W, Dou Zhengxia, Kumar Sanjay, Indugu Nagaraju, Toth John Daniel, Vecchiarelli Bonnie, Bhukya Bhima Metagenomic Evidence of the Prevalence and Distribution Patterns of Antimicrobial Resistance Genes in Dairy Agroecosystems. Foodborne pathogens and disease : , 2016.

B.S. Yan'an University, China, 1982

M.S. Chinese Academy of Sciences, 1985

PhD Penn State University, 1993