- Topics: Administration | Specialist Directory | Hersom, Matthew J | Gross, Pamela

Matt Hersom2
Department Chairman, Professor
Department of Animal Sciences
L.E. "Red" Larson Building
Bldg. 499, Rm 100, Shealy Drive
P.O. Box 110910
Gainesville, FL 32611-0910
Phone: (352) 392-1981
Fax: (352) 392-5595
Email: gdahl@ufl.edu
Overall responsibility for administration and leadership of Extension programs in Animal Science. Coordination of Extension programs with teaching, research, and international programs. Budget and personnel recommendations for Extension to Extension Administration. Participation in Extension activities at county, state, and national levels.
Professor and Center Director - Beef Cattle Management
Range Cattle Research and Education Center
3401 Experiment Station
Ona, FL 33865-9706
Phone: (863) 735-1314
Fax: (863) 735-1930
Email: jarth@ufl.edu
This position involves a coordination responsibility for livestock/forage Extension programs in the major beef production region of south Florida. Specific efforts involve a close working relationship with state faculty, county Extension faculty, government agencies, and allied industry representatives. John Arthington's personal Extension program involves the education of producers on cost-effective methods for supplementing grazing beef cows. Special emphasis is placed on the impacts of nutrition and management on stress resistance, immune competence, and reproductive and growth performance.
Beef Cattle/General
Beef Cattle/Management
Beef Cattle/Nutrition
Extension Agent IV - Milking Management
Department of Animal Sciences
L.E. "Red" Larson Building
Bldg. 499, Shealy Drive
P.O. Box 110910
Gainesville, FL 32611-0910
Phone: (352) 392-5594
Fax: (352) 392-5595
Email: drbray@ufl.edu
Development of Extension educational programs and materials related to mastitis prevention and milking management. Provide educational programs in milking machine operation and maintenance and provide statewide leadership for Extension educational programs related to climate modification of heat stress in dairy cows.
Milking Management
Mastitis
Heat Stress
Dairy Labor Management
Assistant Professor - Extension Meat Specialist
Bldg. 459 Shealy Drive
P.O. Box 110910
Gainesville, FL 32611-0910
Phone: (352) 392-2454
Fax: (352) 392-9059
Email: chadcarr@ufl.edu
Duties include serving as coordinator for Hazard Analysis and Critical Control Point Systems (HACCP) training to meat and poultry processors in the state of Florida. Additionally, works to provide educational programs in meat and livestock evaluation to youth and to food service personnel relative to food safety and quality.
USDA Food Regulations
Hazard Analysis and Critical Control Point Systems
Niche Marketing Programs
Fresh Meat Quality
Youth Programs in Meats and Livestock
Associate Professor - Systems Management
Department of Animal Sciences
Bldg. 459, Shealy Drive
P.O. Box 110910
Gainesville, FL 32611-0910
Phone: (352) 392-5594 ext. 227
Fax: (352) 392-5595
Email: devries@ufl.edu
Web: http://www.animal.ufl.edu/devries; http://dairy.ifas.ufl.edu
Provide leadership for development, analysis, and educational programs in dairy systems management.
Dairy Systems Management
Culling and Replacement
Statistical Process Control
Economics of Reproduction
Farm Financial Analysis
Assistant Professor - Beef Cattle Specialist
North Florida Research and Education Center - Marianna
3925 Hwy. 71
Marianna, FL 32446-7906
Phone: (850) 394-9124 ext 107
Fax: (850) 482-9917
Email: ndilorenzo@ufl.edu
This position involves a coordination responsibility for livestock Extension programs in the beef production region of north Florida. Specific efforts involve working relationships with state faculty, county Extension faculty, government agencies, and allied industry representatives. Nicolas DiLorenzo's Extension program involves the education of beef producers on the development of economically efficient nutrition strategies including grazing management and supplementation.
Beef Cattle/General
Beef Cattle/Management
Beef Cattle/Nutrition
Professor and Assistant Center Director - Beef Cattle Specialist
North Florida Research and Education Center - Marianna
3925 Hwy. 71
Marianna, FL 32446-7906
Phone: (850) 394-9124 ext 106
Fax: (850) 482-9917
Email: gclamb@ufl.edu
This position involves a coordination responsibility for livestock Extension programs in the beef production region of north Florida. Specific efforts involve working relationships with state faculty, county Extension faculty, government agencies, and allied industry representatives. Cliff Lamb's personal Extension program involves the education of producers on development of efficient, economic reproductive strategies that include artificial insemination, new technologies, and differences in reproductive performance among breeds.
Beef Cattle/General
Beef Cattle/Management
Beef Cattle/Reproduction
Associate Professor - Extension Beef Cattle Specialist
Department of Animal Sciences
Bldg. 459, Shealy Drive
P.O. Box 110910
Gainesville, FL 32611-0910
Phone: (352) 392-2390
Fax: (352) 392-9059
Email: hersom@ufl.edu
Provide leadership for University of Florida beef cattle Extension efforts. Extension efforts include ruminant nutrition, cow-calf production, and forage utilization. Emphasis areas include supplementation, grazing, and nutrition-reproduction interaction. Leader of the Florida Beef Cattle Short Course, assist with Florida Beef Quality Assurance program. Write publications and create presentations covering beef cattle management, nutrition, grazing, and feedstuff utilization.
Beef Cattle/General
Beef Cattle/Nutrition
Beef Cattle/Production Management
Pasture/Grazing Management
Forage/Analysis
Associate Professor - Extension Horse Specialist
Department of Animal Sciences
Bldg. 459, Shealy Drive
P.O. Box 110910
Gainesville, FL 32611-0910
Phone: (352) 392-1918
Fax: (352) 392-9059
Email: edwardj@ufl.edu
Liaison with horse industry. Leadership of Extension Horse Program. Conducts clinics, schools, and demonstrations for youth and adults. Writes publications pertaining to horse production and management. Works with Horse Advisory Council, Latin American Short Course, various breed associations, and Southern Regional 4-H Horse Championships. Supervise 4-H Horse Programs-Horse Championship. Supervise 4-H Horse Programs-Horsemanship Schools, shows, and national 4-H contests. On Executive Committee for Eastern National 4-H Roundup and the American Youth Horse Council.
Horse/Nutrition
Horse/Production/Management
Horse/Raising/Care (4-H)
Horse/Raising/Care
Associate Professor – Dairy Cattle Specialist
Department of Animal Sciences
L.E. "Red" Larson Building
Bldg. 499, Shealy Drive
P.O. Box 110910
Gainesville, FL 32611-0910
Phone: (352) 392-1958
Fax: (352) 392-1931
Email: jepsantos@ufl.edu
Develop research and Extension programs in the areas of dairy cattle nutrition, reproduction and postpartum health. Research efforts focus on dairy cattle nutrition, dairy cattle reproductive management, postpartum cow health, and performance. Extension efforts focus on integrating nutrition and reproductive strategies to improve the economic well-being of Florida dairy producers. Particular emphases on organizing the Florida Ruminant Nutrition Symposium, the Florida Corn Silage, and Forage Field Day, and on international exchange programs for training post-graduate students.
Dairy Cattle/Nutrition
Dairy Cattle/Reproduction
Dairy Cattle/Health and Management
Professor - Nutritional Influences on Reproduction
Department of Animal Sciences
L.E. "Red" Larson Building
Bldg. 499, Shealy Drive
P.O. Box 110910
Gainesville, FL 32611-0910
Phone: (352) 392-1958
Fax: (352) 392-1931
Email: chasstap@ufl.edu
Develop and implement Extension educational material and programs for county faculty and dairy producers for effective forage feeding programs for dairy animals.
Dairy Nutrition
Forage Management
Associate Professor - Extension Horse Specialist
Department of Animal Sciences
Bldg. 459, Shealy Drive
P.O. Box 110910
Gainesville, FL 32611-0910
Phone: (352) 392-2789
Fax: (352) 392-9059
Email: sht@ufl.edu
Share leadership of statewide Extension equine programs. Provide leadership and expansion of Animal Science youth projects and activities—curriculum development and coordination. Recruit Animal Science students. Assist with conduct of judging contests, shows, field days, and clinics. Develop visual aids to be used in training youth and/or adults. Conduct programs for county faculty and equine clientele. Develop support material for equine education at the youth and adult level. Serve nationally through Regional and National organizations, and American Youth Horse Council.
Horse/Reproduction
Horse/Management
Horse Selection/Evaluation
Horse Youth Programming
Associate Professor - Beef Cattle Management
Department of Animal Sciences
Bldg. 459, Shealy Drive
P.O. Box 110910
Gainesville, FL 32611-0910
Phone: (352) 392-8597
Fax: (352) 392-7652
Email: tathrift@ufl.edu
Develop and deliver programs in the areas of beef cattle genetics, selection, and management. Primarily responsible for programmatic efforts in National Animal ID and Beef Quality Assurance.
Beef Cattle Management
Quality Assurance
Beef Cattle Identification and Tracking
Heifer Development
This document is SD005, one of a series of the Animal Sciences Department, Florida Cooperative Extension Service, Institute of Food and Agricultural Sciences, University of Florida. Original publication date June 2006. Revised May 2011. Visit the EDIS website at http://edis.ifas.ufl.edu.
Matt Hersom, associate professor, Department of Animal Sciences, Cooperative Extension Service, Institute of Food and Agricultural Sciences, University of Florida, Gainesville, FL 32611.
The Institute of Food and Agricultural Sciences (IFAS) is an Equal
Opportunity Institution authorized to provide research, educational
information and other services only to individuals and institutions
that function with non-discrimination with respect to race, creed,
color, religion, age, disability, sex, sexual orientation, marital
status, national origin, political opinions or affiliations.
For more information on obtaining other extension publications,
contact your county Cooperative Extension service.
U.S. Department of Agriculture, Cooperative Extension Service,
University of Florida, IFAS, Florida A. & M. University Cooperative
Extension Program, and Boards of County Commissioners Cooperating. Nick T. Place,
Dean.