An official website of the United States government
Here's how you know
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
(A) Squab showing general weakness, sleepy appearance, ruffled feathers and emaciation. (B) Squab showing ruffled feathers with emaciation. (C and D) Postmortem of freshly dead pigeons showing severe emaciation with protrusion of keel bone.