| serologic testing of badgers to monitor plague in southwestern idaho. | serologic testing of badgers (taxidea taxus) was used to monitor plague (yersinia pestis) in a townsend ground squirrel (spermophilus townsendi) population in 10,000 ha of the snake river birds of prey study area, idaho. eighty-six percent of the 294 sera tested in 1975 and in 1976 were positive. significantly fewer (72%) seropositives occurred in 1977. seasonal changes in the percentage of seropositives and the decline in 1977 were probably due to the phenology of the townsend ground squirrel a ... | 1983 | 6842729 |