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Dr. Michael Yabsley

Professor, Wildlife Disease

Contact Information

Dr. Michael Yabsley

Contact Dr. Michael Yabsley


Campus address

College of Veterinary Medicine, Wildlife Health Building
Lab Location:


PhD Infectious Diseases, University of Georgia, 2004
MS Zoology (Parasitology), Clemson University, 2000
BS Biological Sciences (major) and Wildlife Biology (minor), Clemson University, 1997

Prior Positions:

Associate Professor                                                                                         

7/1/2011- 6/30/2016

Warnell (50%) and SCWDS (50%)

50% research, 40% instruction and 10% service


Assistant Professor


Warnell (50%) and SCWDS (50%)

50% research, 40% instruction and 10% service


Research Areas Detail:

Wildlife Diseases, Zoonotic Diseases, Parasitology, Vector-borne pathogens

Recent Citations:
  1. Yabsley MJ, RET Vanstreels, BC ShockGST, M PurdeeVST, EC Horne, MA Peirce, and NJ Parsons. 2017. Molecular characterization of Babesia peircei and Babesia ugwidiensis provides insight into the evolution and host specificity of avian piroplasms. Int J Parasitol: Parasites Wildl Aug 24;6(3):257-264. doi: 10.1016/j.ijppaw.2017.08.006.
  2. GSTCoker SM, SM Hernandez, WM KistlerGST, SE Curry, CN Welch, HW Barron, S Harsch, MH Murray, and MJ Yabsley*. 2017. Diversity of hemoparasites of wading birds in southern Florida, USA. International Journal for Parasitology: Parasites and Wildlife 6(3):220-225.
  3. GSTPeltier SK, JD Brown, M Ternent, KD NiedringhausGST, K Schuler, N Dean, F Frenzel, HA Spiker, and MJ Yabsley*. 2017. Genetic characterization of Sarcoptes scabiei from black bears (Ursus americanus) and other hosts in Northeastern United States. Journal of Parasitology 103(5):593-7.
  4. Yabsley MJ. 2017. Book review: Sarcocystosis of Animals and Humans, 2nd Edition. By J.P. Dubey, R. Calero-Bernal, B.M. Rosenthal, C.A. Speer, and R. Fayer. CRC Press, Boca Raton, Florida, USA. Journal of Wildlife Diseases 53(4):.
  5. GSTCleveland, CA, ML Eberhard, AT ThompsonUST, SJ SmithUST, H Zirimwabagobo, R Bringolf, and MJ Yabsley. 2017. The potential of fish to act as transport hosts for Dracunculus insignis and D. medinensis larvae. Emerging Infectious Diseases 23(9):1590-1592.
  6. Dalton MF, H Fenton, CA ClevelandGST, EJ Elsmo, and MJ Yabsley*. 2017. Eosinophilic meningoencephalitis associated with rat lungworm (Angiostrongylus cantonensis) migration in two nine-banded armadillos (Dasypus novemcinctus) and an opossum (Didelphis virginiana) in the southeastern United States. International Journal for Parasitology: Parasites and Wildlife 6(2):131-134.
  7. GSTCleveland CA, A Denicola, JP Dubey, RD Berghaus, and MJ Yabsley*. 2017. Survey for selected pathogens in wild pigs (Sus scrofa) from Guam, Marianna Islands, USA. Veterinary Microbiology 205:22-25. IP=2.564
  8. Liu Y, S Watson, J Gettings, R Lund, SK Nordone, MJ Yabsley* (corresponding author), and CS McMahan. 2017. A Bayesian spatio-temporal model for forecasting Anaplasma species seroprevalence in domestic dogs within the contiguous United States. Plos ONE 12(7), 18 pages. IP=no longer provided
  9. Yabsley MJ and SGH SappGST. 2017. Prevalence of Baylisascaris in domestic dog coprological examinations in the United States, 2013-2016. Veterinary Parasitology: Regional Studies and Reports 9:65-69.
  10. Watson S, Y Liu, R Lund, JR GettingsPD, SK Nordone, CS McMahan and MJ Yabsley* (corresponding author). 2017. A Bayesian Spatio-temporal model for forecasting the prevalence of antibodies to Borrelia burgdorferi, causative agent of Lyme disease, in domestic dogs within the contiguous United States. PLoS ONE 12(5): e0174428.. IP=no longer provided
  11. GSTSapp S.G.H, M.A. PfaffGST, M.K. Martin, P. Gupta, K.D. NiedringhausGST, and M.J. Yabsley. 2017. Beyond the raccoon roundworm: The natural history of Baylisascaris species in the New World. International Journal for Parasitology: Parasites and Wildlife 6(2):85-99.
  12. Liu Y, CS McMahan, SK Nordone, RW Stitch, MJ Yabsley, and RB Lund. 2017. A Bayesian spatio-temporal  model for forecasting the prevalence of antibodies to Ehrlichia in domestic dogs within the contiguous United States. Parasites and Vectors 10(1):138 oi: 10.1186/s13071-017-2068-x. IP=3.234
  13. GSTMcDermid, K, A Snyman, FJ Verreynne, J Carroll , B Penzhorn, and MJ Yabsley*. 2017. Surveillance for viral and parasitic pathogens in a vulnerable African lion (Panthera leo) population in the Northern Tuli Game Reserve, Botswana. Journal of Wildlife Diseases 53(1):54-61. IP=1.355
  14. Deprez I, MJ Yabsley, S Fogelson, AC Haley, JA Hicks, R Barber, I Sladokovic, SA Secrest, J Mayer, and SJ Divers. 2017. Baylisascaris procyonis larva migrans in two North American beavers (Castor canadensis), Journal of Zoo and Wildlife Medicine 48(1):232-236. IP=0.421
  15. Geoghegan EM, NL Welch, MJ Yabsley, ME Church, PA Pesavento, and CB Buck. 2017. Identification of a second raccoon-associated polyomavirus. Genome Announcements 5(26):e00548-17. doi:10.1128/genomeA.00548-17
  16. Sircar AD, F Abanyie, D Blumberg, P Chin-Hong, KS Coulter, D Cunningham, WC Huskins, C Langelier, M Reid, BJ Scott, D Shirley, J Babik, A Belova, SGH Sapp, I McAuliffe, HN Rivera, MJ Yabsley, and SP Montgomery. 2016. Baylisascaris procyonis, raccoon roundworm, central nervous system and ocular disease, United States, 2014— 2015. MMWR (in press, will be out September 9th 2016)
  17. Sapp GHS, SB Weinstein, CS McMahan, and MJ Yabsley. Variable infection dynamics in four Peromyscus species following experimental inoculation with Baylisascaris procyonis. Journal of Parasitology (online early)
  18. Gonzalez-Astudillo V, S Hernandez, MJ Yabsley, D Mead, MK Keel, B Munk, JF Fischer, M Ruder, JD Brown, V Peters, and N Nemeth. 2016. Mortality of selected avian orders submitted to a wildlife diagnostic laboratory (Southeastern Cooperative Wildlife Disease Study, USA): a 36-year retrospective analysis. Journal of Wildlife Diseases 52(3):online ahead of print.
  19. Last LA, H Fenton, MJ Yabsley, JG McGuire, and M Moore. Snake fungal disease caused by Ophidiomyces ophiodiicola in a free-ranging mud snake (Farancia abacura). Journal of Veterinary Diagnostic Investigation (in press)
  20. Loftis AD, PJ Kelly, CD Paddock, K Blount, JW Johnson, ER Gleim, MJ Yabsley, ML Levin, and L Beati. 2016. Panola Mountain Ehrlichia in Amblyomma maculatum from the United States and Amblyomma variegatum from the Caribbean and Africa. Journal of Medical Entomology (in press).
  21. Eberhard ML, MJ Yabsley, H Zirimwabagabo, H Bishop, CA Cleveland, JC Maerz, R Bringolf, and E Ruiz-Tiben. 2016. The role of fish and frogs as paratenic hosts of Dracunculus medinensis, Emerging Infectious Diseases 22(8):128-1430.
  22. Gleim, ER, LE Garrison, D Cole, M Vello, MY Savage, G Lopez, RD Bergaus, and MJ Yabsley. 2016.  Factors associated with tick bites and pathogen prevalence in ticks parasitizing humans in Georgia, USA. Parasites and Vectors. Mar 2;9(1):125. doi: 10.1186/s13071-016-1408-6.
  23. Rothermel BB, DL Miller, ER Travis, JL McGuire, JB Jensen, and MJ Yabsley. 2016. Disease dynamics of red-spotted newts (Notophthalmus viridescens viridescens) and their anuran prey in a montane pond community. Diseases of Aquatic Organisms. 118(2):113-27. doi: 10.3354/dao02965.
  24. McMahan CS, Wang D, Beall MJ, Bowman DD, Little SE, Pithua PO, Sharp JL, Stich RW, Yabsley MJ, Lund RB. 2016. Factors associated with Anaplasma spp. seroprevalence among dogs in the United States. Parasit Vectors. Mar 22;9(1):169.
  25. Martinsen ES, N McInerney, H Brightman, K Ferebee, T Walsh, W McShea, T Forrester, L Ware, PH Joyner, SL Perkins, EK Latch, MJ Yabsley, JJ Schall, RC Fleischer. 2016. Hidden in plain sight: Endemic malaria parasites in the iconic North American white-tailed deer (Odocoileus virginianus) provide insight into malarial evolution. Science Advances Feb 5;2(2):e1501486. 10.1126/sciadv.1501486.
  26. Springer, YP, Hoekman, D, Johnson, PTJ, Duffy, PA, Allan, BF, Amman, BR, Barker, CM, Barrera, R, Beard, CB, Beati, L, Begon, M, Blackmore, MS, Bradshaw, WE, Brisson, D, Calisher, CH, Childs, JE, Diuk-Wasser, MA, Douglass, RJ, Eisen, R, Foley, DH, Foley, JE, Gaff, HD, Gardner, SL, Ginsberg, HS, Glass, GE, Hamer, SA, Hayden, MH, Hjelle, B, Holzapfel, CM, Juliano, SA, Kramer, LD, Kuenzi, AJ, LaDeau, SL, Livdahl, TP, Mills, JN, Moore, CG, Morand, S, Nasci, RS, Ogden, NH, Ostfeld, RS, Parmenter, RR, Piesman, J, Reisen, WK, Savage, HM, Sonenshine, DE, Swei, A, and Yabsley, MJ. Vector and pathogen sampling designs for the National Ecological Observatory Network (NEON). Ecosphere 7(5):e01271. 10.1002/ecs2.1271 40 pages + 25 pages of supplemental material.
  27. Beckwith-Cohen B, DJ Gasper, E Bentley, H Gittleman, AE Ellis, KF Snowden, BC ShockGST, MJ Yabsley, and RR Dubielzig. 2016. Protozoal infections of the cornea and conjunctiva in dogs associated with chronic ocular surface disease and topical immunosuppression. Veterinary Ophthalmology 19(3):206-213. 10.1111/vop.12285
  28. Chambouvet A, D Gower, M Jirku, MJ Yabsley, AK Davis, G Leonard, F Maguire, TM Doherty-Bone, GB Bittencourt-Silva, M Wilkinson, and TA Richards. 2015. Cryptic infection by Perkinsea protists of diverse and globally distributed tadpoles. Proceedings of the National Academy of Sciences of the United States of America 112(34): E4743–E4751.
  29. Rushmore J, A Allison, E Edwards, S Altizer, U Bagal, MR Cranfield, T Glenn, H Liu, M Muller, RM Stumpf, ME Thompson, R. Wrangham, and MJ Yabsley. 2015. Screening great apes for putative sexually transmitted diseases: evidence of Trichomonadidae infections in wild chimpanzees. Journal of Primatology 77(10):1075-85.
  30. Yabsley MJ, AE Ellis, and C Ruckdeschel. High prevalence of Porocephalus crotali infection on a barrier island (Cumberland Island) off the coast of Georgia, with identification of novel intermediate hosts. Journal of Parasitology 101(5):603-7.
  31. Yabsley MJ, K Bailey, and HC Adams. 2015. A novel Eimeria species (Apicomplexa: Eimeriidae) from the mourning dove, Zenaida macroura (Colubiformes: Columbidae). Comparative Parasitology 82(2):231-234.
  32. Cohen, BS, EH Belser, CH Killmaster, JW Bowers, BJ Irwin, MJ Yabsley, and KV Miller. 2015. Epizootiology of cranial abscess disease in white-tailed deer from Georgia. Journal of Wildlife Diseases 51(3):609-18. 
  33. Coomansingh, CM, MJ Yabsley, N Wagner, R Pinckney, MI Bhaiyat, A Chikweto, C Macpherson, and PJ Fields. 2015. Meta-analysis of the prevalence of Dirofilaria immitis in dogs from Grenada, West Indies. International Journal of Veterinary Medicine: Research & Reports. Article 429690, 8 pages.
  34. Thomas JM, Phillips JE, Bunting EM, Yabsley MJ, and Brown, JD. 2015. Molecular surveillance for lymphoproliferative disease virus in hunter killed wild turkeys (Meleagris gallopavo) from the Eastern United States. Journal of Wildlife Diseases. PLoS One 10(4):e0122644. doi: 10.1371/journal.pone.0122644
  35. Cohen, BS, EH Belser, SP Keeler, MJ Yabsley, and KV Miller. 2015. Isolation and genotypic characterization of Truperella (Arcanobacterium) pyogenes recovered from active cranial abscess infections of male white-tailed deer (Odocoileus virginianus). Journal of Zoo and Wildlife Medicine 46(1):62-7. 
  36. Kistler, WM, DE Stallknecht, C Lebarbenchon, K Pedersen, D Marks, R Mickley, TJ Deliberto, and MJ Yabsley. 2015. Influenza A virus H5-specific antibodies in North American mute swans (Cygnus olor). Journal of Wildlife Diseases 51(2):523-6 
  37. Kistler, WM, DE Stallknecht, TJ Deliberto, K Van Why, and MJ Yabsley. 2015. Subtype-Specific Influenza A Virus Antibodies in Canada Geese (Branta canadensis). Veterinary Microbiology 177(3-4):296-301.
  38. Kistler WM, SEJ Gibbs, DE Stallknecht, and MJ Yabsley. 2015. Wood ducks (Aix sponsa) as potential reservoirs for avian influenza and avian paramyxoviruses. Avian Pathology 44(3):169-74.
  39. Casey CL, SM Hernandez, MJ Yabsley, KF Smith, and S Sanchez.  2015. The carriage of antibiotic resistance by enteric bacteria from imported tokay geckos (Gekko gecko) destined for the pet trade. Science of the Total Environment 505(299-305).
  40. Ramey, A, JA Schmutz, JA Reed, G Fujita, BD Scotton, B Casler, JP Fleskes, K Konishi, and MJ Yabsley. 2015. Evidence of intercontinental parasite exchange through molecular detection and characterization of haematozoa in northern pintails (Anas acuta) sampled throughout the North Pacific Basin. International Journal for Parasitology: Parasites and Wildlife 4(1):11-21.
  41. Gleim, ER, LM Conner, RD Bergaus, ML Levin, GE Zemtsova, and MJ Yabsley. 2014. The effects of long-term prescribed burning on tick population dynamics in southwest Georgia and northwestern Florida. PLOS One 9(11): e112174.
  42. Slusher, MJ, BR Wilcox, MP Lutrell, R Poulsen, JD Brown, MJ Yabsley, and DE Stallknecht. 2014. Are passerine birds reservoirs for avian influenza viruses? Journal of Wildlife Diseases 50(4):792-809.
  43. McGuire JL, LL Smith, C Guyer, and MJ Yabsley. 2014. Effects of upper respiratory tract disease on movement and behavior of gopher tortoises (Gopherus polyphemus) in a southwestern Georgia population. Journal of Wildlife Diseases. 50(4):745-756.
  44. McGuire JL, LL Smith, C Guyer, JM Lockhart, and MJ Yabsley. 2014. Surveillance for upper respiratory tract disease and Mycoplasma in free-ranging gopher tortoises (Gopherus polyphemus) in Georgia. Journal of Wildlife Diseases 50(4):733-744.
  45. Winternitz J, MJ Yabsley, and S Altizer. 2014. Wild cyclic voles maintain high neutral and MHC diversity without strong evidence for parasite-mediated selection. Evolutionary Ecology 28:957-975.
  46. Keeler SM, MJ Yabsley, SN McGraw, HC Adams, and SM Hernandez. 2014. A novel Isospora species from warblers of Costa Rica. Journal of Parasitology 100(3):302-304.
  47. Mascarelli PE, MK Keel, MJ Yabsley, L Last, EB Breitschwerdt, and RG Maggi. 2014. Hemotropic mycoplasmas in little brown bats (Myotis lucifugus). Parasites and Vectors 7:117 doi: 10.1186/1756-3305-7-117.
  48. Shock, BC, A Moncayo, S Cohen, PK Williamson, and MJ Yabsley. 2104. Diversity of piroplasms detected in blood-fed and questing ticks from several states in the United States. Tick and Tick-borne Diseases 5(4):373-380 doi: 10.1016/j.ttbdis.2014.01.003
  49. Santamaria A, JE Calzada, A Saldana, MJ Yabsley, and NL Gottdenker. 2014. Molecular diagnosis and species identification of Ehrlichia and Anaplasma infections in dogs from Panama, Central America. Vector Borne and Zoonotic Diseases 14(5):368-370. doi:10.1089/vbz.2013.1488)
  50. Mercurio AD, SM Hernandez, JC Maerz, MJ Yabsley, AL Coleman, LM Shellnutt, AE Ellis, JR Fischer, and SB Wilde. 2014. Experimental feeding of Hydrilla verticillata colonized with Stigonematales cyanobacteria induces vacular myelinoapthy in painted turtles (Chrysemys picta). PLoS ONE 9(4): e93295. doi:10.1371/journal.pone.0093295.
  51. Williams, B, A Berentsen, BC Shock, M Teixeira, MR Dunbar, MS Becker, and MJ Yabsley. 2014. Prevalence and diversity of Babesia, Hepatozoon, Ehrlichia, and Bartonella in wild and domestic carnivores in Zambia. Parasitology Research 113(3):911-918.
  52. Kistler WM, JD Brown, and MJ Yabsley. 2014. First report of Angiostrongylus vasorum and Hepatozoon canis in a red fox (Vulpes vulpes) from the United States. Veterinary Parasitology 200(1-2):216-220.
  53. Murray HL, MJ Yabsley, MK Keel, EJB Manning, TJ Wilmers, and JL Corn. 2014. Potential contamination of endangered Florida key deer (Odocoileus virginianus clavium) habitat with Mycobacterium avium subspecies paratuberculosis. Journal of Wildlife Diseases 50(2):349-353.
  54. Gonynor-McGuire JL, SM Hernandez, LL Smith, and MJ Yabsley. 2014. Safety and utility of an anesthetic protocol for the collection of biological samples from gopher tortoises (Gopherus polyhemus). Wildlife Society Bulletin 38(1):43-50.
  55. Fitzen C, E Mosites, RD Applegate, SR Telford, J Huang, MJ Yabsley, LR Carpenter, JR Dunn, and AC Moncayo. 2014. Ecological investigation following the first human case of babesiosis in Tennessee. Journal of Parasitology 100(1):106-109.

WILD(POPH) 5100/7100 Wildlife Disease Ecology and Management   

WILD(POPH) 4600/6600 Field Methods in Wildlife Health, Research, and Management

POPH 8580 Current Topics in Wildlife Health

FYOS 1001 Freshman Odyssey Seminar: Wildlife Diseases-why do we care?

WILD 8500 Wildlife Disease Ecology and Management (fall 2016)

IDIS 5200/5200L Veterinary Helminthology, Ectoparasitology, and Protozoology

POPH 5201 Wildlife Diseases



Diagnostic parasitologist for SCWDS clinical cases