| life cycle of ixodes (ixodes) loricatus (acari: ixodidae) under laboratory conditions. | the life cycle of ixodes (ixodes) loricatus neumann, reared in the laboratory, is described. engorged females collected from opossums trapped in the states of minas gerais and são paulo, brazil, which were used to start the laboratory colonies, were designated as bmg and csp, respectively. larval and nymphal ticks from both colonies fed separately on rattus norvergicus berkenhout or calomys callosus rengger, whereas didelphis marsupialis l and didelphis albiventris lund were used as hosts for bm ... | 2000 | 11004783 |
| new records and laboratory-rearing data for ixodes schulzei (acari: ixodidae) in brazil. | ixodes schulzei aragão and fonseca was described from brazil in 1951 based on female ticks collected on wild rats from the states of rio de janeiro and santa catarina. since that time, there have been no additional reports of i. schulzei in the literature. we report two new records of i. schulzei: a female collected on the water rat nectomys squamipes (brants) from minas gerais state, and another female from this same host species from são paulo state. this last specimen was engorged and oviposi ... | 2003 | 12597665 |
| experimental infection of calomys callosus with atypical strains of toxoplasma gondii shows gender differences in severity of infection. | there is a significant genetic diversity of toxoplasma gondii in brazil. two parasite isolates were recently obtained from chickens in uberlândia, minas gerais state, brazil, namely, tgchbrud1 and tgchbrud2. in this study, we investigated calomys callosus susceptibility to these atypical t. gondii strains. male and female animals were intraperitoneally infected with tachyzoites and monitored to evaluate body weight change, morbidity, and mortality. immunohistochemical assay and qpcr were perform ... | 2014 | 24781027 |