300 dpi: (d2443-2.jpg)
640 pixels wide: (d2443-2.jpg)
 Image Number D2443-2 |
In areas where soil and vegetation are low in selenium, ewes that consume a selenium-rich wheat coproduct in their feed pass the needed selenium to their nursing offspring. The adults can retain the selenium benefit for up to a year before they require more of the coproduct.
Photo by Stephen Ausmus.
