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Workgroup Information

Livestock Production Systems

Summary This workgroup will include the following broad topic areas: animal health, animal well-being (welfare), animal productivity, and production systems analysis (both computer based and diagnostic). This workgroup is expected to operate within the Livestock, Range, and Natural Resources Continuing Conference.
Workgroup Chair Information
Name James Oltjen (Chair)
Phone (530) 752-5650
Unit: Animal Science
Location: Animal Science
One Shields Avenue
Davis, 95616-8521
Membership List
AES Scientist
(info only) MacLachlan, Jim School of Veterinary Medicine, UC Davis
  AES Professor, Pathology Pathology/Virology
McNabb, Bret
Pandey, Pramod Veterinary Medicine Extension
  Cooperative Extension specialist Microbial waste
Sainz, Roberto Animal Science
  Professor Ruminant nutrition; growth and body composition; nutritional energetics; modeling.
Stott, Jeffrey Pathology, Microbiology & Immunology
  Professor of Microbiology   Immunology Developmental cellular innumology, mucosal immunology
Tucker, Cassandra Animal Science
  Associate Professor Animal welfare, animal behavior, effects of housing, management and environmental conditions on cattle
Weidner, W Neurobiology, Physiology & Behavior
  Professor   Physiologist-AES Cardiopulmonary physiology, patho-physiology of pulmonary edema, local regulation of bloodflow
(info only) Zinn, Richard Animal Science
  Professor Ruminant nutrition; feedlot cattle nutrition and management; factors associated with digestive function.
CE Advisor
Barry, Sheila Santa Clara County
  County Director Santa Clara / Livestock and Natural Resources Advisor, San Francisco Bay Area Rangeland Ecology and Management, Beef Cattle Production, Rangeland Conservation, Grazing Management,
Becchetti, Theresa Stanislaus County
  Farm Advisor Livestock and Natural Resources, San Joaquin and Stanislaus Counties
Davy, Josh Tehama County
  Livestock, Range, and Natural Resources Advisor / County Director Livestock, Range and Irrigated Pasture
Doran, Morgan Capital Corridor MCP Cooperative Extension
  Director, Advisor for Livestock and Natural Resources Livestock, beef cattle, sheep, nutrition, range management, irrigated pastures, grazing systems, ranch water quality.
Finzel, Julie Kern County
  Farm Advisor Animal Science and Rangeland Ecology and Management
Forero, Larry Shasta County
  County Director Livestock and Natural resources
Harper, John Mendocino County
  Strategic Initiative Leader-Sustainable Natural Ecosystems, Livestock & Natural Resources Advisor Sheep & goat production, range cattle production, rangeland, watershed, water quality, computer applications.
Ingram, Roger Placer-Nevada Counties
  Livestock and Natural Resources Advisor, Emeritus Grazing management, fencing, nutrition, economics, livestock, range, land use, low-stress livestock handling, California Grazing Academy
Larson, Stephanie Sonoma County
  County Director and Livestock┬áRange Management Advisor Sheep management and production, fiber production, rangeland and natural resource management, water quality
Lile, David Lassen County
  County Director Livestock / Natural Resources
Mashiri, Fadzayi Mariposa County
  County Director Mariposa, Livestock and Natural Resources Advisor Mariposa, Merced, Madera counties Livestock Management, Rangeland Ecology and Management,, Management of Natural Resorces
Ozeran, Rebecca Fresno County
  Livestock and Natural Resources Advisor
Rao, Devii San Benito County
  Area Livestock and Natural Resources Advisor Rangeland Ecology and Management, Rangeland Conservation, Grazing Management, Conservation of Biological Diversity, Watershed Protection and Management.
Rivers, Carissa Siskiyou County
  Livestock/Natural Resources Advisor
Schohr, Tracy Department of Plant Sciences
Snell, Laura Modoc County
  County Director and Livestock & Natural Resources Advisor Livestock & Natural Resources
Stackhouse, Jeffery Humboldt County Office
  Livestock and Natural Resource Advisor
CE Specialist
(info only) Atwill, Edward Veterinary Medicine Extension
  Director, Veterinary Medicine Extension Waterborne zoonotic disease, best management practices , microbial food safety, epidemiology
Baldwin, Roger Wildlife, Fish & Conservation Biology
  Cooperative Extension Specialist: Human-Wildlife Conflict Resolution Wildlife Damage and Pest Management
Gornish, Elise Department of Plant Sciences
  Cooperative Extension Specialist in Restoration Ecology Restoration of grassland habitats, climate change, plant demography, invasive species management
James, Jeremy Sierra Foothill Research & Extension Center
  SFREC Center Director Range Management
Maas, John Veterinary Medicine Extension
  CE Veterinarian Beef cattle health and food safety; metabolic diseases; herd health management
Mitloehner, Frank Animal Science
  Professor and CE Specialist Livestock systems air quality; quantification and mitigation of Ag air pollutants
Oltjen, James Animal Science
  CE Specialist Computer decision support software; beef quality assurance; standardized performance analysis for cattle and sheep ranches. Animal management systems; resource use in animal agriculture; beef cattle growth.
Pires, Alda Population Health & Reproduction
  Assistant Specialist in Cooperative Extension Urban Agriculture and Food Safety
Pitesky, Maurice Veterinary Medicine Extension
  Assistant Specialist Poultry Health and Food Safety Epidemiology
Saitone, Tina Agricultural & Resource Economics
  Cooperative Extension Specialist Livestock and Rangeland Economics
Tate, Kenneth Department of Plant Sciences
  Russell L. Rustici Rangeland Watershed Specialist water quality, riparian areas, restoration, mountain meadows, grazing, range management
Van Eenennaam, Alison Animal Science
  CE Specialist Animal genomics, biotechnology, beef cattle, genetic engineering, animal breeding
Other ANR
Andreini, Emily Animal Science, UCD
  Research Assistant Beef Cattle Management
Chen, Jennifer Animal Science, UCD
  Research Assistant Beef Cattle Behavior
Fisher, Marissa Department of Animal Science
  Animal Resource Supervisor Beef Cattle Management and Research
Flavell, Dustin Sierra Foothill Research & Extension Center
  SFREC Center Superintendent Everything required of Superman without the flying...yet
Harper, Don Department of Animal Science
  Animal Resource Manager Beef Cattle Management and Research
Macaulay, Luke Environmental Science, Policy and Management (ESPM)
Macon, Dan Placer-Nevada Counties
  Livestock and Natural Resources Advisor
Nielsen, Tyler John UC Davis Animal Science
  Assistant Beef Manager Beef Cattle
Raubach, Casey
Roche, Leslie Department of Plant Sciences
  Cooperative Extension Specialist Rangeland Management
Sanchez, Jaime Animal Science, UCD
  Principle Animal Technician Beef Cattle, Fairs, Sheep
Sehnert, Dan Animal Science Department
  Facilities Manager
Tipton, Clinton Sierra Foothill Research & Extension Center
  Beef Cattle Research Assistant
Werth, Samantha Animal Science, UCD
  Research Assistant Beef Cattle Management, Environmental Effects of Animal Agriculture
Chao, Michael Animal Science, CSU-Chico
  Assistant Professor Meat Science, Food Safety and Processing
Daley, Dave Animal Science Dept., CSU-Chico
  Professor Genetics
De Grassi, Ria California Farm Bureau
  Director, National Affairs Cattle Production/Legislative Affairs
DeAtley, Kasey
Keela, Retallick Cal Poly
Perry, Randy Animal Science Dept., CSU-Chico
  Professor Beef Cattle Production
Membership Totals
Number of Members57
ANR Members51
Info Only3
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