Page Banner

United States Department of Agriculture

Agricultural Research Service

ARS Photo Library

Download a high-resolution (300dpi) digital image

Image Number K10096-1

Veterinarian Ray Waters collects a blood sample from an elk for the nitric oxide assay, a new test for detecting tuberculosis in animals.

Photo by Peggy Greb.

640 pixels wide: (k10096-1.jpg)

Please visit our Image Gallery
Last Modified: 5/23/2006
Footer Content Back to Top of Page