ThePoultrySite Quick Disease Guide
Gizzard worms - Geese
A Pocket Guide to
By Paul McMullin
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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.
- Loss in condition and weight.
- Slow growth.
- 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.
Rotation of ground on annual basis.