Veterinary Diagnostic Pathology offers pathology services poultry production, processing, and research, serving clients in the USA and more than 40 countries.

Dr. Frederic Hoerr

Pathology consultation and histopathologic examination are provided by Frederic J. Hoerr, DVM, MS, PhD, who is board certified in veterinary pathology and poultry medicine. He has worked in poultry diagnostics and provided histopathology for poultry production since 1976.  Dr. Hoerr is a Distinguished Alumnus of Purdue University School of Veterinary Medicine, where earned the DVM degree and trained in the laboratories of Dr. R.W. Winterfield (MS) and Dr. W.W. Carlton (PhD).

Dr. Hoerr was a diagnostic pathologist with the Alabama state diagnostic laboratories for 32 years, and served as director of laboratories from 1987 until 2012. During this time he held a joint appointment in the Auburn University College of Veterinary Medicine, serving as Interim Dean from 2012-13, and now Professor Emeritus.

Marty HoerrMarty Hoerr is the Laboratory Services Coordinator for Veterinary Diagnostic Pathology.  Marty accessions cases, performs the initial trimming of specimens, serves as the liaison to the histology laboratory for slide production, and provides administrative support.  Marty holds BS and MS degrees in art and education from Purdue University.



Floyd Wilson, DVM. Dr. Wilson’s interests include histomorphometrics, toxicologic pathology, and reproductive, skeletal, hematopoietic and respiratory pathology.

Joan Schrader, DVM, MS, DACPV. Dr. Schrader’s interests include digestive pathology including coccidia, and experimental design and data analysis.

August Hoerr, BA.  August  provides histomorphometrics of gut and immune tissues when not performing on the accordion or painting.   http://www.augusthoerr.com/

John Hoerr, BS. John is the developer of the PathPro software. His day job is at Indiana University, where he is also enrolled in the graduate school in database science.