Skip to main content
ARS Home » Office of Communications » Images » Photos » Jul03 » k10559-1


300 dpi: (k10559-1.jpg)
640 pixels wide: (k10559-1.jpg)

Image Number K10559-1

Physiologist Ronald Horst collects blood from a Jersey cow to analyze her vitamin D and calcium status.

Photo by Peggy Greb.






Please visit our Image Gallery