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Larry D. Jacobson
Professor and Extension Engineer

210 Biosystems and Agricultural Engineering Bldg.
University of Minnesota
1390 Eckles Avenue
St. Paul, MN 55108-6005
(612) 625-8288

email: jacob007@umn.edu

March 2007 Minkota pdfs

Interest Areas

Livestock housing and environmental control, indoor air quality concerns, waste management systems, and energy and housing alternatives for livestock with emphasis on swine production systems.

Current Research

• Evaluation and Implementation of OFFSET (Odors from Feedlot Setback Estimation Tool) in Selected Minnesota Counties
• Aerial Pollutant Emissions from Animal Confinement Buildings
• National Center for Manure and Animal Waste Management
• Air Quality from (Animal) Housing Units
• Predicting Ambient Hydrogen Sulfide Concentrations Near Animal Feedlots
• Development of a Hydrogen Sulfide Model fro Animal Production Sites in Minnesota
• Particulate Matter (PM10), Hydrogen Sulfide, Ammonia, and Odor Emissions from Minnesota Pig Farrowing Facilities
• Hot Climate Temperature and Moisture Variations in Tunnel and Naturally Ventilated Pig Gestations Buildings
• Ventilating Systems for Enhancing Indoor Environmental Quality
• Odor, Total Reduced Sulfur, and Ammonia Emissions from Animal Housing Facilities and Manure Storage Units in Minnesota
• Geotextile Covers to Reduce Odor and Gas Emissions from Swine Manure Storage Ponds

Extension Programs

• Livestock and Poultry Housing Systems
• Manure Management Systems
• Engineering Applications for Dairy Production Systems
• Livestock and Poultry Odor Workshops

Animal Housing and Livestock Systems Home Page

Some Recent Publications

Jacobson, L.D., C.J. Clanton, D.R. Schmidt, C. Radman, R.E. Nicolai, and K.A. Janni. Comparison of hydrogen sulfide and odor emissions from animal manure storages. Proceedings of the Ammonia and Odour Control from Animal Production Facilities. (Oct 6-10,1997) Vinkeloord, The Netherlands, pages 405-412.

Jacobson, L. D. Odor and H₂S Levels from Minnesota Pig Production Systems. Presented at the 1997 Minnesota Pork Conference (Dec. 3,4,9,& 10, 1997) Morris, Worthington, Austin, and Mankato, MN pages 126-136.

Jacobson, L. D. Monitoring Odor and Air Quality. Presented at the 13th Minnesota Poultry Service Workshop (Sept 23, 1997) St. Paul, MN. pages 1520.

Jacobson, L.D., C. Radman, D. Schmidt, and R. Nicolai. Odor Measurements from Manure Storages on Minnesota Pig Farms. Proceedings of the ILES-V (May 29-31, 1997) Bloomington, MN pages 93-100.

Schmidt, D.R., L.D. Jacobson, M.A. Schmitt. 1996. A Manure Management Survey of Minnesota Swine Producers: Summary of Responses. Applied Engineering in Agriculture (ASAE). Vol. 12(5): 591-594.

Schmitt, M.A., D. R. Schmidt, L. D. Jacobson. 1996. A Manure Management Survey of Minnesota Swine Producers: Effect of Farm Size on Manure Application. Applied Engineering in Agriculture (ASAE). Vol. 12(5): 595-599.

Takai, H., L.D. Jacobson, and S. Pedersen. 1996. Reduction of Dust Concentration and Exposure in Pig Buildings by Adding Animal Fat in Feed. J. Agric. Eng. Res. 63, 113-120.

Jacobson, L.D. and S. Morsing. Comparing isothermal airflow parameters in a slot inlet ventilation system between a full and a 1/10 scale model of a pig housing room. Proceedings from the 5th International Conference on Air Distribution in Rooms (July 17-19, 1996) Yokohama, Japan. ROOMVENT'96 Vol. 1:501-508.

Jacobson, L.D., K.A. Janni, and V.J. Johnson, Toxic Gases and Dust Concentrations Inside Minnesota Pig Facilities. Proceedings of the International Conference on Air Pollution from Agricultural Operations (Feb 7-9, 1996) Kansas City, MO pages 331- 337.

Mankell, K.O., K.A. Janni, R.D. Walker, M.E. Wilson, J.E. Pettigrew, L.D. Jacobson and W.F. Wilcke. 1995. Dust suppression in swine feed using soybean oil. J. An Sc 73:981-985.