Photographs of intestine tissue from mallard ducks with trematodiasis
![Photographs of tissues samples from mallard duck intestine next to ruler for scale.](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/thumbnails/image/Fig1AB%20_Gross_Final.jpg?itok=Ck6SSptJ)
Detailed Description
Photographs from two mallards (Anas platyrhynchos) found dead within a warm-water retention pond in Minnesota, US. (A) Caeca with mucosal roughening and caseous plaque formation. A larger trematode (arrow) is found within. (B) Dilated and thinned intestine containing watery intestinal content with pinpoint white material.
Sources/Usage
Public Domain.