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Image Number D2015-1

Allen Miller (retired ARS agricultural engineer) prepares to inject doramectin-impregnated microspheres developed by ARS into a bull to protect it from tropical bont ticks, known to transmit the potentially fatal heartwater disease on the island of St. Croix, U.S. Virgin Islands.


Photo by J. Mathews Pound.

640 pixels wide: (d2015-1.jpg)

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