Professor of Poultry Science
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The central theme of my extension and research programs is environmental poultry management. Efforts focus on discovering and promoting efficient poultry production systems that place minimum burden on the environment. While managing manure and by-products of poultry production are obvious endeavors, less tangible efforts include the impact of odor, flies, traffic, etc., on the environment at the urban-rural interface. The later impacts are important to the sustainability of poultry production and processing enterprises in Pennsylvania. Other efforts are geared to enhancing producer profitability and improving egg production, quality, and food safety.
Research efforts have focused on environmental poultry management with an emphasis on applied studies that go hand in hand with the extension programs. As a nutritionist I have sought to recycle the nutrients of poultry by-products to both crop and livestock systems to abate non-point sources of pollution. These efforts benefit small poultry farmers, corporate agriculture, and ultimately the public at large.
Instruction (Guest Lectures & Labs)
- AN SC 207/208, Animal Products Technology
- AN SC 311, Advanced Poultry Management
- AN SC 418, Nutrient Management in Animal Production Systems
- AN SC 419, Applied Animal Welfare
- AN SC 420, Animal Nutrition and Feed Technology
- AN SC 425, Principles of Avian Disease
Service to the Profession
- World's Poultry Science Association, USA Branch
- Editorial Review Board, Journal of Applied Poultry Research, 1991-97; 2004-2007; Layer Management Subject Editor, 2000-2005
- Assoc. Editor, Poultry Science, 2003-2006
- Editoral Review Board, Bioresource Technology, Elsevier Science, Ltd., Oxford, UK. 1996-2009
- International Reviewing Board, Egyptian Journal of Nutrition and Feeds, Cairo, Egypt. 1998-2009
- Ad hoc Reviewer for the following journals:
- Journal of Experimental Zoology
- Journal of Environmental Quality
- Transactions of the ASAE
- British Poultry Science
- Journal of Soil and Water Conservation
Committee & Industry
- National Egg Quality School, 1995-2011 (Director, 2009-2011)
- National Poultry Waste Management Symposium, 1992-2010
- PennAg Industries Association, Poultry Council [Pennsylvania Poultry Federation prior to 1998], 1992-2011
- Pennsylvania Egg Quality Assurance Program (PEQAP), 1994-2011
- United Egg Producers Scientific Panel on Air Emissions, 2004-2011
Memberships in Academic, Professional, and Scholarly Societies
- American Poultry Historical Society, 1986 to present
- Poultry Science Association, 1982 to present
- Environmental Quality Committee, 2007-08
- American Egg Board Research Award, 2008-12
- Southern Poultry Science Society, 1982 to present
- World's Poultry Science Association, USA Branch, 1991 to present
- Board of Directors, 2009
Aydin, A., A. Y. Pekel, G. Issa, G. Demirel, and P. H. Patterson . 2010. Effects of dietary copper, citric acid, and microbial phytase on digesta pH and ileal and carcass microbiota of broiler chickens fed a low available phosphorus diet. J. Appl. Poult. Res. 19:422-431.
Karsten, H. D., P. H. Patterson , R. Stout, and G. Crews. 2010. Vitamins A, E and fatty acid composition of the eggs of caged hens and pastured hens. Renewable Agric. Food Syst . 25:45-54.
Keklik, N. M., A. Demirci, P. H. Patterson , and V. M. Puri. 2010. Pulsed UV light inactivation of salmonella enteritidis on eggshells and its effects on egg quality. J. Food Prot . 73:1408-1415.
Pekel, A. Y., P. H. Patterson , R. M. Hulet, N. Acar, T. L. Cravener, D. B. Dowler, and J. M. Hunter. 2009. Dietary camelina meal versus flaxseed with and without supplemental copper for broiler chickens: Live performance and processing yield. Poultry Sci . 88:2392-2398.
Adrizal, P. H. Patterson , R. M. Hulet, R. M. Bates, D. A. Despot, E. F. Wheeler, and P. A. Topper and J. Thompson. 2008. The potential for plants to trap emissions from farms with laying hens: 2. Dust and ammonia. J. Appl. Poult. Res. 17:398-411.
Adrizal, P. H. Patterson , R. M. Hulet, R. M. Bates, C. A. B. Meyers, G. P. Martin, R. L. Shockey, M. van der Grinten, D. A. Anderson, and J. R. Thompson. 2008. Vegetative buffers for fan emissions from poultry farms: 2. Ammonia, dust, and foliar nitrogen. J. Environ. Sci. & Health-Part B. 43:96-103.
Anderson, K. E., P. H. Patterson , K. W. Koelkebeck, M. J. Darre, J. B. Carey, D. U. Ahn, R. A. Ernst, D. R. Kuney, and D. R. Jones. 2008. National egg temperature survey: 3. Transport. Poultry Sci . 87:1195-1201.
Koelkebeck, K. W., P. H. Patterson , K. E. Anderson, M. J. Darre, J. B. Carey, D. U. Ahn, R. A. Ernst, D. R. Kuney, and D. R. Jones. 2008. National egg temperature survey: 2. Processing . Poultry Sci . 87:1187-1194.
Patterson, P. H. , Adrizal, R. M. Hulet, R. M. Bates, D. A. Despot, E. F. Wheeler, and P. A. Topper. 2008. The potential for plants to trap emissions from farms with laying hens: 1. Ammonia. J. Appl. Poult. Res. 17:54-63.
Patterson, P. H. , Adrizal, R. M. Hulet, R. M. Bates, C. A. B. Myers, G. P. Martin, R. L. Shockey, and M. van der Grinten. 2008. Vegetative buffers for fan emissions from poultry farms: 1. Temperature and foliar nitrogen. Jr. Environ. Sci. & Health-Part B. 43:199-204.
Patterson, P. H. , K. W. Koelkebeck, K. E. Anderson, M. J. Darre, J. B. Carey, D. U. Ahn, R. A. Ernst, D. R. Kuney, and D. R. Jones. 2008. National egg temperature survey: 1. Production . Poultry Sci . 87:1182-1186.
Adrizal, A., P. H. Patterson , R. M. Hulet and R. M. Bates. 2006. Growth and foliar nitrogen status of four plant species exposed to atmospheric ammonia. J. Environ. Sci. Health, Part B. 41:1001-1018.
Kim, W. K., C. A. Froelich, Jr., P. H. Patterson , and S. C. Ricke. 2006. The potential to reduce poultry nitrogen emissions with dietary methionine or methionine analogues supplementation. World's Poultry Sci. 62: 338-353.
Kim, W. K., and P. H. Patterson . 2006. Ammonium-nitrogen transformation and nitrogen retention in broiler manure supplemented with a soil amendment containing nitrifying bacteria. J. Environ. Sci. Health, Part B. 41:121-133.
Tang, P., P. Patterson , and V. Puri. 2006. Impact of feed segregation on the commercial hen and egg quality. J. Appl. Poult. Res. 15:564-573.
Kim, W. K., and P. H. Patterson. 2005. Effects of dietary zinc supplementation on hen performance, ammonia volatilization, and nitrogen retention in manure. J. Environ. Sci. Health. 40:675-686.
Patterson, P. H. , and Adrizal. 2005. Management strategies to reduce air emissions: Emphasis - dust and ammonia. J. Appl. Poult. Res. 3:638-651.
Patterson, P. H. , P. A. Moore, Jr., and R. Angel. 2005. Chapter 21, Phosphorus and Poultry Nutrition. Pp. 635-682 In Phosphorus: Agriculture and the Environment. J. T. Sims and A. N. Sharpley, Eds. American Society of Agronomy - Crop Science Society of America - Soil Science Society of America. Monograph no. 46, Madison, WI.
J. Craig Williams