Page Banner

United States Department of Agriculture

Agricultural Research Service

ARS Photo Library

Download a high-resolution (300dpi) digital image

Image Number K4328-8

A simple blood test that checks the blood urea nitrogen (BUN) levels in cattle can help producers fine-tune their herd's feeding regimen.

Photo by Keith Weller.



640 pixels wide: (k4328-8.jpg)




Please visit our Image Gallery
Last Modified: 5/23/2006