| a 3-year pilot study of sentinel dairy herds for vesicular stomatitis in el salvador. | the occurrence of vesicular stomatitis (vs) was investigated in el salvador through monthly visits to 12 sentinel cattle operations located in four different departments. management, environmental, and spatial data were collected. heifers were enrolled on the operations and were examined and bled monthly for 3 years. two competitive elisas were used to detect antibodies on each sample for each serotype of vs virus (vsv). on 8 of the 12 operations, small terrestrial rodents were trapped, blood sa ... | 2003 | 12706058 |