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ARS Home Office of Communications Images Photos Jan07





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Image Number D619-1 DNA-based technology complements traditional methods for identifying cattle, like the ear tags on these USMARC cross-bred calves, and provides a means for identifying the sire in pastures where multiple bulls are used for breeding.  Photo by Peggy Greb.  640 pixels wide: (d619-1.jpg)   Please visit our Image Gallery


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