Gamebird Digestive Diseases

Robert E. Porter, Teresa Y. Morishita

Research output: Chapter in Book/Report/Conference proceedingChapter


A healthy digestive tract is essential for all aspects of gamebird production, from early growth to feathering and conformation at maturity, and reproduction. This chapter highlights variety of diseases of the digestive tract that have been documented in gamebirds. Lesions appear grossly as a fine, white “pseudomembrane” or lining in the crop, upper esophagus or oral cavity. When the isopod is ingested by a bird host, the infective larvae then escape and migrate/attach to the proventriculus or gizzard lining where they develop into adults within 27 days. In gamebird chicks, Salmonella most often infects the digestive tract and yolk sac. It can also be harbored in the intestine of adult birds with no clinical signs. The role that viruses play in gamebird enteric disease is poorly characterized. Ascaridia is a genus of nematode residing in the small intestine and the larval stages migrate in other soft tissues during the life cycle.

Original languageEnglish (US)
Title of host publicationGamebird Medicine and Management
Number of pages44
ISBN (Electronic)9781119712244
ISBN (Print)9781119712213
StatePublished - Jan 1 2022

Bibliographical note

Publisher Copyright:
© 2023 John Wiley and Sons, Inc.


  • gamebird enteric disease
  • gamebirds digestive diseases
  • gizzard lining
  • intestine
  • proventriculus


Dive into the research topics of 'Gamebird Digestive Diseases'. Together they form a unique fingerprint.

Cite this