tularemia in deer mice (peromyscus maniculatus) during a population irruption in saskatchewan, canada.type b tularemia caused by francisella tularensis subsp. holarctica was diagnosed in deer mice (peromyscus maniculatus) found dead at four sites in west-central saskatchewan during april and may 2005. the occurrence of tularemia coincided with a decline in the number of deer mice in part of a large area (>22000 km(2) ) in which deer mice had been extremely abundant during the autumn of 2004 and spring of 2005, and in which mice caused damage to crops in the autumn of 2004. this is apparently the ...200717347390
host usage and seasonal activity patterns of ixodes kingi and i. sculptus (acari: ixodidae) nymphs in a colorado prairie landscape, with a summary of published north american host records for all life stages.we examined host usage and seasonal activity patterns of the nymphal stage of the ticks ixodes kingi and i. sculptus within a prairie rodent community in north-central colorado. ixodes kingi was commonly encountered on both northern grasshopper mice (onychomys leucogaster) and thirteen-lined ground squirrels (spermophilus tridecemlineatus), whereas i. sculptus frequently infested s. tridecemlineatus but was absent from o. leucogaster. low numbers of ticks of both species were collected from deer ...200616859106
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