Free Stock Photo
A black and white cow grazing in a field
| Title | A black and white cow grazing in a field |
| Description | To estimate the number of brown stomach worms in a pasture, researchers place a worm-free calf on grass for a measured length of time, then check for parasite eggs in its feces. |
| By | Keith Weller acquired from USDA ARS (Website) |
| Views | 1,359 |
| Downloads | 190 |
| Dimensions | 2790 x 1834 |
| File Size | 841.4 KB |
| Added | Feb 14, 2010 |
| License | Public Domain |
| PD Info | This image is a work of the United States government and is not entitled to domestic copyright protection under U.S. law. |
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