Megan Lighty, DVM, PhD, DACPV

Megan Lighty, DVM, PhD, DACPV

  • Associate Clinical Professor
  • Avian Diagnostic and Outreach Veterinarian
Animal Diagnostic Lab
Wiley Lane

University Park, PA 16802

Areas of Expertise

  • Diagnostic pathology – avian species
  • Field diagnostic investigations – chickens, turkeys, upland gamebirds, waterfowl, hatchery, and processing
  • Emphasis on diagnosis, prevention, and control of infectious diseases of commercial poultry
  • Turkey production medicine, including clostridial diseases and reoviral hepatitis


  • PhD, Biomedical and Veterinary Sciences, Virginia Tech, 2015
  • DVM, College of Veterinary Medicine, Virginia-Maryland Regional College of Veterinary Medicine, 2013
  • BS, Animal Science, The Pennsylvania State University, 2007

Specialty Board Certification
Diplomate of the American College of Poultry Veterinarians (DACPV), 2017

Professional Experience
2020-Present: Associate Clinical Professor, The Pennsylvania State University, University Park, PA
2015-2020: Staff Veterinarian, Jennie-O Turkey Store, Willmar, MN
2007-2015: Graduate Assistant/Graduate Teaching Assistant, Virginia Tech, Blacksburg, VA


Fowl Cholera, Lighty, Megan, 2024

Avian metapneumovirus, Elissa, Jonathan, Niel, K, Lighty, Megan, 2024

Pathology in Practice: elevated mortality in 3-week-old commercial broilers
Journal of the American Veterinary Medical Association, Niel, Kayla, Elissa, Jonathan, Lighty, Megan, 2023

Poultry Cannibalism: Prevention and Treatment
Penn State Extension, Niel, Kayla, 2023

Prevention the Best Medicine for Poultry Farmers
Lancaster Farming, Lighty, Megan, 2023

Vaccination for Highly Pathogenic Avian Influenza, Niel, Kayla, Lighty, Megan, 2023

NAGA News, Lighty, Megan, 2022

Refining the definition of the avian pathogenic Escherichia coli (APEC) pathotype through inclusion of high-risk clonal groups
Poultry Science, Johnson, Timothy J., Miller, Elizabeth A., Flores-Figueroa, Cristian, Munoz-Aguayo, Jeannette, Cardona, Carol, Fransen, Katie, Lighty, Megan, Gonder, Eric, Nezworski, Jill, Haag, Adam, Behl, Michelle, Kromm, Michelle, Wileman, Ben, Studniski, Marissa, Singer, Randall S., 2022

Highly Pathogenic Avian Influenza (HPAI): What to Look For
Lancaster Farming, Lighty, Megan, 2022

Poultry Diseases: Where to Get Help, Lighty, Megan, Dunn, P, 2021

Aspergillosis in Poultry, Kromm, Michelle, Lighty, Megan, 2020

Backyard Turkey Health, Lighty, Megan, 2020

Deworming Backyard Poultry, Lighty, Megan, 2020

Clostridium septicum strain VAT12 chromosome, complete genome, Mahsoub, Hassan, Lighty, Megan, Sriranganathan, N, Pierson, Frank, 2019

Incidence of clostridial dermatitis (cellulitis) and factors for development of the disease in turkeys
Journal of Applied Poultry Research, Lighty, Megan E., Elvinger, François, Evans, Robert D., Sriranganathan, Nammalwar, Leroith, Tanya, Pierson, F. William, 2015