Dr. J. Mitchell Lockhart

Contact Information

Dr. J. Mitchell Lockhart
Department of Biology
1500 North Patterson St
Bailey Science Center Office Room 2029 / Laboratory Room 2060
Valdosta State University
Valdosta, GA 31698
Phone: 229-333-5767
Fax: 229-245-6585

Current Projects

• Current Projects

Publications

Hough, S., J.M. Lockhart, W.J. Loughry, and G.K. Bielmyer-Fraser.  2020.  Assessment of metal concentration in wild-caught raccoons (Procyon lotor) in the southeastern U.S.  Southeastern Naturalist.  19(2):256-270. PDF

Lockhart, J.M., S. Siddiqui, W.J. Loughry, and G.K. Bielmyer-Fraser.  2016.  Metal accumulation in wild-caught opossum.  Environmental Monitoring and Assessment 188:317  DOI 10.1007/s10661-016-5327-y.  PDF

Sharma, R., P. Singh, W.J. Loughry, J.M. Lockhart, B. Inman, M. Duthie, M.T. Pena, L. Marcos, D.M. Scollard, S.T. Cole, R. Truman. 2015. Emerging zoonotic leprosy in the southern United States. Emerging Infectious Diseases. 21:2127-2134.  PDF

Ingram, D.R., D.L. Miller, J. Turco and J.M. Lockhart.  2015.  Serological survey of wild turkeys (Meleagris gallopavo) and evidence of exposure to avian encephalomyelitis virus.  Journal of Wildlife Diseases.  51:374-379.  PDF

Gonynor-McGuire, J.L., L.L. Smith, C. Guyer, J.M. Lockhart, G. Lee, and M.J. Yabsley.  2014.  Surveillance for upper respiratory tract disease and Mycoplasma in free-ranging gopher tortoises in Georgia.  Journal of Wildlife Diseases  50:733-744.  PDF

Howell-Stephens, J.A., J.M. Lockhart, R.L. Santymire, and W.J. Loughry.  2014.  Relationships among and variation within circulating levels of sex and stress hormones in wild nine-banded armadillos (Dasypus novemcinctus).  Mammalia 79:147-158.  PDF

Jarvis, T.A., J.M. Lockhart, W.J. Loughry, and G.K. Bielmyer.  2013.  Evidence of metal accumulation in wild nine-banded armadillos.  Ecotoxicology  22:1053-1062. PDF

Shock, B.C., J.M. Lockhart, A.J. Birkenheuer, and M.J. Yabsley.  2013.  Babesia in a bobcat, Georgia (USA).  Southeastern Naturalist  12(1):243-247.  PDF

Shock, B.C., A.J. Birkenheuer, L.L. Patton, C. Olfenbuttel, J. Beringer, D.M. Grove, M. Peek, J.W. Butfiloski, D.W. Hughes, J.M. Lockhart, M.W. Cunningham, H.M. Brown, D.S. Peterson and M.J. Yabsley.  2012.  Variation in the ITS-1 and ITS-2 rRNA genomic regions of Cytauxzoon felis from bobcats and pumas in the eastern United States and comparison with sequences from domestic cats.  Veterinary Parasitology 190:29-35. PDF

Shock, B.C., S.M. Murphy, L.L. Patton, P.M. Shock, C. Olfenbuttel, J. Beringer, S. Prange, D.M. Grove, M. Peek, J. Butfiloski, D.W. Hughes, J.M. Lockhart, S.N. Bevins, V.F. Nettles, H.M. Brown, D.S. Peterson, and M.J. Yabsley.  2011.  The distribution and prevalence of Cytauxzoon felis in bobcats (Lynx rufus), the natural reservoir, and other wild felids, in thirteen states.  Veterinary Parasitology  175:325-330. PDF

Brown, H.M., J.M. Lockhart, K.S. Latimer, and D.S. Peterson.  2010.  Identification and genetic characterization of Cytauxzoon felis in asymptomatic domestic cats and bobcats.  Veterinary Parasitology  172:311-316. PDF

Lockhart, J.M., G.W. Lee, J. Turco, and L. Chamberlin.  2008.  Salmonella from gopher tortoises (Gopherus polyphemus) in south Georgia.  Journal of Wildlife Diseases  44:988-991. PDF

Lockhart, J.M.  2007.  Gnathostoma procyonis from south Georgia and north Florida raccoons.  Journal of Parasitology  93:1533-1536. PDF

McDonough, C.M., J.M. Lockhart, and W.J. Loughry.  2007.  Population dynamics of  nine-banded armadillos: Insights from a removal experiment. Southeastern Naturalist  6:381-392. PDF

Yabsley, M.J., V.G. Dugan, D.E. Stallknecht, S.E. Little, J.M. Lockhart, J.E. Dawson, and W.R. Davidson.  2003.  Evaluation of a prototype Ehrlichia      chaffeensis surveillance system using white-tailed deer (Odocoileus virginianus) as natural sentinels.  Vector- Borne and Zoonotic Diseases  3:195-207. PDF

Davidson, W.R., J.M. Lockhart, D.E. Stallknecht, E.W. Howerth, J.E. Dawson, and Y.Richaev.  2001.  Persistent Ehrlichia chaffeensis infection in white-tailed deer.  Journal of Wildlife Diseases 37:538-546. PDF

Lockhart, J.M., and W.R. Davidson.  1999.  Evaluation of C3H/HeJ mice in the   xenodiagnosis of infection with Ehrlichia chaffeensis.  Journal of Veterinary Diagnostic Investigation  11:55-59. PDF

Davidson, W.R., J.M. Lockhart, D.E. Stallknecht, and E.W. Howerth.  1999.  Susceptibility of red foxes and gray foxes to infection by Ehrlichia chaffeensis.  Journal of Wildlife Diseases  35:696-702. PDF

Brandsma, A.R., S.E. Little, J.M. Lockhart, W.R. Davidson, D.E. Stallknecht, and J.E. Dawson.  1999.  Novel Ehrlichia organism (Rickettsiales: Ehrlichieae) in white-tailed deer associated with lone star tick (Acari: Ixodidae) parasitism.  Journal of Medical Entomology  36:190-194. PDF

Lockhart, J.M., W.R. Davidson, D.E. Stallknecht, J.E. Dawson.  1998.  Lack of   seroreactivity to Ehrlichia chaffeensis among rodent populations.  Journal of  Wildlife Diseases  34:392-396. PDF

Little, S.E., D.E. Stallknecht, J.M. Lockhart, J.E. Dawson, and W.R. Davidson.  1998.   Natural co-infection of a white-tailed deer (Odocoileus virginianus)   population with three Ehrlichia species.  Journal of Parasitology  84:897-901. PDF

Lockhart, J.M., W.R. Davidson, D.E. Stallknecht, J.E. Dawson, and S.E. Little.  1997.  Natural history of Ehrlichia chaffeensis (Rickettsiales: Ehrlichieae) in the Piedmont physiographic province of Georgia.  Journal of Parasitology  83:  887-894. PDF

Lockhart, J.M., W.R. Davidson, D.E. Stallknecht, J.E. Dawson, and E.W. Howerth.  1997.   Isolation of Ehrlichia chaffeensis  from wild white-tailed deer (Odocoileus virginianus) confirms their role as natural reservoir hosts.  Journal of Clinical Microbiology  35:1681-1686. PDF

Lockhart, J.M.  1997.  Trichinosis. Pp. 129-131 in W.R. Davidson and V.F. Nettles (eds.), Field manual of wildlife diseases in the southeastern United States, 2nd  edition, Southeastern Cooperative Wildlife Disease Study, College of Veterinary Medicine, The University of Georgia, Athens, GA.

Smith, K.E., J.R. Fischer, S.E. Little, J.M. Lockhart, and D.E. Stallknecht.  1997.  Diseases with implications for human health.  Pp. 378-399 in W.R. Davidson and V.F. Nettles   (eds.), Field manual of wildlife diseases in the southeastern United States, 2nd edition, Southeastern Cooperative Wildlife Disease Study, College of Veterinary Medicine, The University of Georgia, Athens, GA.

Little, S.E., J.E. Dawson, J.M. Lockhart, D.E. Stallknecht, C.K. Warner, and W.R.  Davidson.  1997.  Development and use of specific polymerase reaction for the detection of an organism resembling Ehrlichia  sp. in white-tailed deer.  Journal of Wildlife Diseases  33:246-253. PDF

Lockhart, J.M., W.R. Davidson, and D.E. Stallknecht.  1996.  Site-specific geographic association between Amblyomma americanum (Acari: Ixodidae)    infestations and  Erlichia chaffeensis (Ricketsiales: Rickettsiaceae) reactive antibodies in white-tailed deer. Journal of Medical Entomology  33:153-158. PDF

Dawson, J.E., C.K. Warner, V. Baker, S.A. Ewing, D.E. Stallknecht, W.R. Davidson, A.A. Kocan, J.M. Lockhart, and J.G. Olson.  1996.  Ehrlichia-like 16S  rDNA sequence from wild white-tailed deer (Odocoileus virginianus).  Journal of Parasitology  82:52-58. PDF

Katz, J.B., A.F. Barbet, S.M. Mahan, D. Kumbula, J.M. Lockhart, M.K. Keel, J.E. Dawson, J.G. Olson, and S.A. Ewing.  1996.  A recombinant antigen from the heartwater agent (Cowdria ruminantium) reactive with antibodies in some Southeastern United States white-tailed deer (Odocoileus virginianus), but not cattle, sera .  Journal of Wildlife Diseases  32:424-430. PDF

Lockhart, J.M., W.R. Davidson, J.E. Dawson, and D.E. Stallknecht.  1995.  Temporal association of Amblyomma americanum with the presence of Ehrlichia chaffeensis antibodies in white-tailed deer.  Journal of Wildlife Diseases  31:119-124. PDF

J.E. Dawson, D.E. Stallknecht, E.W. Howerth, C. Warner, K. Biggie, W.R. Davidson, J.M. Lockhart, V.F. Nettles, J.G. Olson, and J.E. Childs.  1994.  Susceptibility of white-tailed deer (Odocoileus virginianus) to infection with Ehrlichia chaffeensis, the etiologic agent of human ehrlichiosis.  Journal of Clinical Microbiology  32:2725-2728. PDF

Singleton, J., D. Richardson, and J.M. Lockhart.  1993.  Severe moniliformiasis (Acanthocephala: Moniliformidae) in a gray squirrel, Sciurus carolinensis, from Arkansas, USA.  Journal of Wildlife Diseases  29:165-168. PDF

Courses Taught