Gizzard worms - Geese

calendar icon 22 March 2019
clock icon 2 minute read


A nematode worm parasite, Amidostomum anseris, affecting geese and ducks. Worms develop to L3 in eggs and infection is by the oral route direct from environment.


  • Depression.
  • Loss in condition and weight.
  • Slow growth.

Post-mortem lesions

  • Ulceration, necrosis and partial sloughing of gizzard lining, muscular wall may be sacculated or ruptured.
  • Adults are 2-4 cm long and usually bright red.


Lesions, visualisation of worms.


Levamisole, benzimidazoles.


Rotation of ground on annual basis.

© 2000 - 2023 - Global Ag Media. All Rights Reserved | No part of this site may be reproduced without permission.