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United States Department of Agriculture

Agricultural Research Service

Image Number D2236-9

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Image Number D2236-9

Geneticist Eduardo Casas (right) and technician Sandra Nejezchleb prepare bovine DNA samples for mass-spectrometry. Results are used to assess whether changes in DNA sequence are associated with pinkeye, also known as “infectious bovine keratoconjunctivitis.”


Photo by Stephen Ausmus.

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Last Modified: 8/30/2011
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