300 dpi: (d2015-1.jpg)
640 pixels wide: (d2015-1.jpg)
 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.
