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ARS Home Office of Communications Images Photos Jan01





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Image Number K9314-2 Annie, born March 3, 2000, is a clone of a pure-bred Jersey calf whose cells were modified with genes for producing lysostaphin, a protein that kills Staphylococcus aureus bacteria, a leading cause of mastitis disease in dairy cows. She is the first transgenic cow clone engineered to resist mastitis, which costs the U.S. dairy industry $1.7 billion annually. Photo by Scott Bauer   640 pixels wide: (k9314-2.jpg)   Please visit our Image Gallery


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