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A black and white cow grazing in a field : Free Stock Photo
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: 1,336
Downloads: 190
Keywords: Animals, Black, Cows, Eating, Farm, Farming, Fields, Grass, Grazing, Industry, Nature, White
License: Public Domain
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PD Info: This image is licensed under Public Domain.
This image is a work of the United States government. A work of the United States government, as defined by United States copyright law, is 'a work prepared by an officer or employee of the U.S. government as part of that person's official duties.' In general, under section 105 of the Copyright Act, such works are not entitled to domestic copyright protection under U.S. law.
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