An official website of the United States government
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.
 Image Number D1613-1 |
Terrie Wierenga, a technician with the Poisonous Plant Research Laboratory, uses ultrasound imaging to determine pregnancy and fetal activity in a Spanish goat used in a study to find the mechanism of lupine-induced crooked calf syndrome.
Photo by Peggy Greb.
