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Gary Apgar

Gary Apgar, Professor

Animal Science

Dr. Apgar received his graduate degrees from Virginia Tech in ‘91 and ’94 in swine nutrition. 

He arrived at SIUC in 1998 after 4 years in the feed and production areas of the swine industry. He entertains a Research and Production Experience for undergraduates interested in pursuing employment in the swine industry, both at the SIU Farms and with offsite swine production partners.

Gary Apgar

Office Phone: 618-453-1763
Office: Agriculture Building, Room 125

Special Interests

  • Nutrient availability in genetically modified crops
  • Ethanol producation by-products
  • Growth performance as influenced by environmental factors


  • B.S. Animal Science, 1989 from Delaware Valley University, Doylestown, PA
  • M.S. Animal Science, 1991 from Virginia Tech, Blacksburg, VA
  • Ph.D. Animal Science, 1994 from Virginia Tech, Blacksburg, VA


  • ANS 121 Introduction to Animal Science
  • ANS 123D Independent Study - Swine
  • ANS 215 Introduction to Nutrition
  • ANS 331 Physiology, Growth and Development of Farm Animals
  • ANS 465 Swine Management

Recent Publications and Awards 

  • University Level Teaching Excellence Award, and permanent title of "Distinguished Teacher", presented by the Faculty and Staff Excellence Award Program, Southern Illinois University Carbondale, 2015.
  • Outstanding Teacher, College of Agricultural Sciences, presented by the Excellence through Commitment Awards Program, Southern Illinois University, 2007; 2015.
  • North American Colleges and Teachers of Agriculture, Teaching Award of Merit, presented by NACTA and the Southern Illinois University College of Agricultural Sciences, 2007.
  • Donald M. Elkins Excellence in Education Award, presented by the Agriculture Student Advisory Council, SIUC, 2000; 2004; 2015.
  • de Tarso, S. G. S., Apgar, G. A., Gastal, M. O., Gastal E. L. 2016. Relationships between follicle and corpus luteum diameter and blood flow, and progesterone production in beef cows and heifers: preliminary results - AR797. Animal Reproduction (Accepted, May 2016).
  • Cadenas, J., J.Leiva-Revilla, C. Maside, L.A. Vieira, L.B. Apolloni, F.LN. Aguiar, B.G. Alves, C.H. Lobo, A.P.R. Rodrigues, G.A. Apgar, J. Smitz and J.R. Figueiredo.  2016.  Follicle requirements differ between preantral and early antral follicles after in vitro culture in medium supplemented with GH and VEGF alone or in combination.  Theriogenology (Submitted May 13, 2016)
  • Aguiar, F.L.N., F.O. Lunardi, L.F. Lima, R.M.P. Rocha, J.B. Bruno, D.M. Magalhaes-Padilha, F.W. Santos, D.C.S. Nunes-Pinheiro, M.O. Gastal, A.P.R. Rodrigues, G.A. Apgar, E.L. Gastal and J.R. Figueiredo.  2015.  FSH supplementation to culture medium is beneficial for activation and survival of preantral follicles enclosed in equine ovarian tissue.  Theriogenology 85(6): 1106-12
  • Apgar, G. A., W.J. Banz and M.A. Latour.  2014.  Engaging students in large lecture classes.  NACTA, 58(1):85-86.
  • Stamatikos, A.D., F. Deyhim, G. A. Apgar and W.J. Banz.  2013.  Fiber treating metabolic syndrome.  Journal of Metabolic Syndrome, 2:130 (Open Access Journal)
  • Sanders, D.R., I.J. Altman and G.A. Apgar. 2012. Determinants of profitability in niche swine production. Journal of the American Society of Farm Managers and Rural Appraisers, 71:68-79.