Charles L. Hofacre, MS, DVM, MAM, PhD

Home/American Humane Farm Program/Scientific Advisory Committee/Charles L. Hofacre, MS, DVM, MAM, PhD
Charles L. Hofacre, MS, DVM, MAM, PhD
Director of Clinical Services, Department of Population Health, College of Veterinary Medicine, University of GA


December, 2002 – Present Director of Clinical Services, Department of Population Health, College of Veterinary Medicine, University of GA
July, 2003 – Present Professor, Department of Avian Medicine, College of Veterinary Medicine, University of Georgia
October, 1998 – July, 2003 Associate Professor, Department of Avian Medicine, College of Veterinary Medicine, University of Georgia
Oct., 1995 – Oct., 1998 Mgr. of Prof. Serv., Bayer Ani, Hlth., Poultry Bus. Unit
July, 1989 – Oct., 1995 Ross Breeders, Inc. (Head of Vet. Serv., VP, Poultry Hlth. & Quality Assurance, Board of Directors)
April, 1987 – July, 1989 Director of Veterinary Medicine, Cuddy Farms, Inc.



B.S. The Ohio State University, 1984
M.S. The Ohio State University, 1982
D.V.M. The Ohio State University, 1984
M.A.M. University of Georgia, 1985
Ph.D. University of Georgia, 1992



Diplomate of the American College of Poultry Veterinarians


Reed Rumsey Award, American Association of Avian Pathologists Distinguished Avian Graduate Researcher, July, 1987.
Inventors Award (Co-Recipient), University of Georgia, April 1999.
Secretary Treasurer and Business Manager, American Association of Avian Pathologists, July, 2003.
Charles N. Dobbins Award for Excellence in Service, University of Georgia, May 2008.
American Association of Avian Pathologists Special Service Award, New Orleans, Louisiana, July 2008.
Poultry Science Association Frank Perdue Live Poultry Food Safety Award. July 14, 2010.
World Veterinary Poultry Association Hall of Honor, August, 2013.
Agriculture Honorary Society of The University of Georgia – Honorary Member, April, 2014.


  • Ross Breeders, Inc., January, 1992 – October, 1995
  • Lohmann Animal Health, January, 1999 – December, 2005
  • Executive Vice President, American Association of Avian Pathologists, 2003 – Present
  • Yum Brands Welfare Advisory Council, 2004 – Present
  • World Veterinary Poultry Association Management Board, January, 2012 – Present
  • Foster Farms Food Safety Advisory Board, January, 2014 – Present

INVITED MEMBERSHIP – National and International Committees

  • American Academy of Microbiology Colloquium AThe Role of Antimicrobials in Agriculture: A Critical Scientific Assessment,@ Committee Member, 2001.
  • American Academy of Microbiology Colloquium “Preharvest Food Safety and Security,” Member, 2003.
  • International Committee on Zero Tolerance for Salmonella in Poultry, November 10-14, 2008.
  • Expert panel member reviewing the Joint FAO/WHO guidelines for Control of Campylobacter and Salmonella in Chicken Meat, Rome, Italy, May, 2009.
  • AVMA Steering Committee on Antimicrobial Use in Food Animals, April 2011 – present.
  • Expert panel member and Chair of Control Measures for The Global View of Campylobacteriosis, World Health Organization, Utrecht, The Netherlands, July, 2012.


  • Co-Developed The Master of Avian Health and Medicine Degree with Trevor Bagust, The University of Melbourne
  • Mentored 17 graduate students
  • Served on 47 graduate student committees


UGA296 U.S. Patent No. 4,999,191 “Pasteurella multocida Vaccine,” Glisson, J.R. and Hofacre, C.L. Vaccine manufacturing rights held by Schering-Plough and Intervet.

PUBLICATIONS (90 total in referred journals) SINCE 2008

Collier, C. T., C. L. Hofacre, A. M. Payne, D. B. Anderson, P. Kaiser, R. I. Mackie and H. R. Gaskins. Coccidia-induced mucogenesis promotes the onset of necrotic enteritis by supporting Clostridium perfringens growth. Vet. Inf. & Immun. 122:104-115. 2008.

Hong, Yang, Tongrui Liu, Margie D. Lee, Charles L. Hofacre, Marie Maier, David G. White, Sherry Ayers, Lihua Wang, Roy Berghaus, and John J. Maurer. Rapid screening of Salmonella enterica serovars Enteritidis, Hadar, Heidelberg and Typhimurium using a serologically-correlative allelotying PCR targeting O and H antigen alleles. BMC Microbiol. 8:178. 2008. (Highly accessed.)

Lu, Jingrang, Charles Hofacre, Fred Smith, Margie D. Lee. Effects of feed additives on the development on the ileal bacterial community of the broiler chicken. Animal: The International Journal of Animal Bioscience 2(5):669-676. 2008.

McDougald, L.R., C. Hofacre, G. Mathis, L. Fuller, J.L. Hargrove, P. Greenspan, and D.K. Hartle. Enhancement of resistance to coccidiosis and necrotic enteritis in broiler chickens by dietary muscadine pomace. Avian Dis. 52:646-651. 2008.

Vieira, Antonio R., Charles L. Hofacre, John Smith, and Dana Cole. Human contacts and potential pathways of disease introduction on Georgia Poultry Farms. Avian Dis. 53:55-62. 2009.

Hong, Yang, Tongrui Liu, Margie D. Lee, Charles L. Hofacre, Marie Maier, David G. White, Sherry Ayers, Lihua Wang, Roy Berghaus, and John J. Maurer. A rapid screen of broth enrichments for Salmonella enterica serovars enteritidis, Hadar, Heidelberg, and Typhimurium by using an allelotyping multiplex PCR that targets O- and H- antigen alleles. J. Food. Prot. 72(10):2198-2201. 2009.

Williams, Susan M., John A. Smith, Maricarmen Garcia, Denise Brinson, Matti Kiupel, and Charles Hofacre. Severe histiolymphocytic and heterophilic bronchopneumonia as a reaction to in-ovo fowlpox vaccination in broiler chicks. Vet. Pathol. 47:177-180. 2010.

Miller, Ross W., James Skinner, Alexander Sulakvelidze, Greg F. Mathis, and Charles L. Hofacre. Bacteriophage therapy for control of necrotic enteritis of broiler chickens experimentally infected with Clostridium perfringens. Avian Dis. 54:33–40. 2010.

Dorea, F.C., A.R. Vieira, C.L. Hofacre, D. Waldrip, and D.J. Cole. Research Note─Stochastic model of the potential spread of highly pathogenic Avian Influenza (HPAI) from an infected commercial broiler operation in Georgia. Avian Dis. 54:713-719. 2010.

Knap, Inge, Bente T. Lund, Anée Berg Kehlet, C.L. Hofacre, and Greg F. Mathis. Research Note─Bacillus licheniformis prevents necrotic enteritis in broiler chickens. Avian Dis. 54:931-935. 2010.

Mead, Geoffrey, Anna M. Lammerding, Nelson Cox, Michael P. Doyle, Florence Humbert, Alexander Kulikovskiy, Alexander Panin, Vladimir Pinheiro do Nascimento, Martin Wierup and the Salmonella on Raw Poultry Writing Committee (including C.L. Hofacre). Scientific and Technical Factors Affecting the Setting of Salmonella Criteria for Raw Poultry: A Global Perspective. J. Food Prot. 73(8). 1566-1590. 2010.

Dorea, F.C., R. Berghaus, C. Hofacre, and D.J. Cole. Survey of Biosecurity protocols and practices adopted by growers on commercial poultry farms in Georgia, U.S.A. Avian Dis. 54:1007-1015. 2010.

Dorea, Fernanda C., Dana J. Cole, Charles Hofacre, Katherine Zamperini, Demetrius Mathis, Michael P. Doyle, Margie D. Lee, and John J. Maurer. Effect of Salmonella vaccination of breeder chickens on contamination of broiler chicken carcasses in integrated poultry operations. Appl. Environ. Microbiol. Vol. 76, No. 23, pp. 7820–7825. 2010.

Zhang, Guopeng, Greg F. Mathis, Charles Hofacre, Parastoo Yaghmaee, Richard A. Holley, and Tim D. Durance. The effect of a radiant energy-treated lysozyme antimicrobial blend on the control of clostridial necrotic enteritis in broiler chickens. Avian Dis. 54:1298-1300. 2010.

Berghaus, R.D., S.G. Thayer, J.J. Maurer, and C.L. Hofacre. Effect of vaccinating breeder chickens with a killed Salmonella vaccine on Salmonella prevalences and loads in breeder and broiler chicken flocks. J. Food Prot. 74(5):727-734. 2011.

Alali, W.Q., C.L. Hofacre, G.F. Mathis, A. Batal. Effect of Plant-based Protein Meal Use in Poultry Feed on Colonization and Shedding of Salmonella heidelberg in Broiler Birds. Agriculture, Food and Analytical Bacteriology 1(1):45-53. 2011.

Knap, I., A. B. Kehlet, M. Bennedsen, G. F. Mathis, C. L. Hofacre, B. S. Lumpkins, M. M. Jensen, M. Raun, and A. Lay. Bacillus subtilis (DSM17299) significantly reduces Salmonella in broilers. Poult. Sci. 90:1690-1694. 2011.

Parker, W.D., B. Lungu, R.D. Berghaus, H.S. Sellers, I.R. Alvarado and C.L. Hofacre. Comparison of real-time PCR with conventional PCR and culture to assess the efficacy of a live attenuated Salmonella enterica serovar Typhimurium vaccine against Salmonella enterica serovar Enteritidis in commercial leghorn chicks vaccinated under field and laboratory conditions. Avian Dis. 55:248-254. 2011.

Berrang, M.E., R.J. Meinersmann and C.L. Hofacre. Spray washing, absorbent cornstarch powder, and drying time to reduce bacterial numbers on soiled transport cage flooring. J. Appl. Poult. Res. 20:378-382. 2011.

Berrang, M.E, C.L. Hofacre and R.J. Meinersmann. Forced Hot Air to Dry Feces and Kill Bacteria on Transport Cage Flooring. J. Appl. Poult. Res. 20:567-572. 2011.

Amerah, A.M., G. Mathis and C. L. Hofacre. Effect of Xylanese and a blend of essential oils on performance and Salmonella colonization of broiler chickens challenged with Salmonella Heidelberg. Poultry Sci. 91:943-947. 2012.

Lungu, Bwalya W., Douglas Waltman, Roy Berghaus, and Charles L. Hofacre. Comparison of a Real-Time PCR Method with a Culture Method for the Detection of Salmonella enterica Serotype Enteritidis in Naturally Contaminated Environmental Samples from Integrated Poultry Houses. J. of Food Prot. 75: 743. 2012.

Cox, N.A., L.J. Richardson, J.J. Maurer, M.E. Berrang, P.J. Fedorka-Cray, R.J. Buhr, J.A. Byrd, M.D. Lee, C.L. Hofacre, P.M. O’Kane, A.M. Lammerding, A.G. Clark, S.G. Thayer, and M.P. Doyle. Evidence for horizontal and vertical transmission in campylobacter passage from hen to her progeny. J. of Food Prot. 75: 1896. 2012.

Alali, W.Q., C.L. Hofacre, G.F. Mathis, G. Faltys, S.C. Ricke, and M.P. Doyle. Effect of non-pharmaceutical compounds on shedding and colonization of Salmonella enterica serovar Heidelberg in broilers. Food Control 31:125-128. 2013.

Alali, Walid; Hofacre, Charles; Mathis, Greg; Faltys, Gary. Effect of essential oil compound on shedding and colonization of Salmonella enterica serovar Heidelberg in broilers. Poultry Sci. 92:836-841. 2013.

Behnke, Elena L., Charles L. Hofacre, Roy D. Berghaus. Estimation of the Prevalence of Salmonella species on the Slatted Area Compared to the Scratch Area of Broiler Breeder Chicken Houses. Avian Diseases: September 2013, Vol. 57, No. 3, pp. 634-639.

Berghaus, Roy D.; Thayer, Stephan G.; Law, Bibiana F.; Mild, Rita M.; Hofacre, Charles L.; Singer, Randall S. Enumeration of Salmonella and Campylobacter in Environmental Farm Samples and Processing Plant Carcass Rinses from Commercial Broiler Chicken Flocks. Appl. Envir. Microbiol. Vol. 79, No. 13, pp. 4106-4114. 2013.

Minicozzi, Joseph; Sanchez, Susan; Lee, Margie; Holt, Peter; Hofacre, Charles; Maurer, John. Development of Recombinant Flagellar Antigens for Serological Detection of Salmonella enterica Serotypes Enteritidis, Hadar, Heidelberg, and Typhimurium in Poultry. Agriculture 2013, 3, 381-397.

Pedroso, Adriana; Anne Hurley-Bacon; Andrea Zedek; Tiffany Kwan; Andrea Jordan, Gloria Avellaneda; Charles Hofacre; Brian Oakley; Stephen Collett; John Maurer; Margie Lee. Can Probiotics Improve the Environmental Microbiome and Resistome of Commercial Poultry Production? Food Safety and Public Health. Int. J. Environ. Res. Public Health, 10, 4534-4559. 2013.

Wu, Diezhang; Walid Alali; Mark Harrison; Charles Hofacre. Prevalence of Salmonella in neck skin and bone marrow of chickens. J. of Food Prot. (Submitted January, 2014).

PRESENTATIONS National and International – 305

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