| prevalence of anti-neospora caninum antibodies in dogs from urban, periurban and rural areas of the city of uberlândia, minas gerais--brazil. | in brazil there are few reports on the prevalence of anti-neospora caninum antibodies in dogs from urban, periurban and rural areas. serum samples from 450 dogs, 300 from urban, 58 from periurban and 92 from rural areas, were tested for the detection of anti-n. caninum igg antibodies using ifat: indirect fluorescent antibody test (ifat, > or =50). antibodies were observed in 63 (14%) of the 450 serum samples analyzed, with 32 (10.7%) in dogs coming from the urban area, 11 (18.9%) from the periur ... | 2004 | 15265569 |
| [occurrence of antibodies and risk factors for infection for toxoplasma gondii in dogs in the cities of lages and balneário camboriú, santa catarina state, brazil]. | the aim of this study was to identify the occurrence of antibodies and risk factors for infection for toxoplasma gondii in dogs in the cities of lages and balneário camboriú, santa catarina state, brazil. blood samples from 400 domiciliated dogs were processed for antibody detection against t. gondii by indirect immunofuorescence antibody test (ifat). the following variables were obtained by questionnaire: breed, age, sex, diet, environment, presence of cats and street access. a chi-square test ... | 2009 | 19772776 |
| first occurrence of amblyomma ovale in the state of rio grande do norte, brazil. | this study aims to report the occurrence of parasitism by amblyomma ovale (koch, 1844) in dogs in the municipality of apodi, rio grande do norte, brazil. specimens were identified as being one female and two males of a. ovale, besides; the animal was infested by five females of rhipicephalus (boophilus) microplus and seven females and three males of r. sanguineus. the finding of a. ovale confirms results in the literature that these ticks, reported in several species of wild carnivores, can also ... | 2013 | 24252966 |
| toxoplasmosis screening and risk factors amongst pregnant females in natal, northeastern brazil. | toxoplasmosis results in systemic disease, and if the mother is infected for the first time during gestation, the fetus may suffer substantial damage. relatively little is known about the epidemiology of toxoplasmosis in pregnancy in most states of northeastern brazil. seroprevalence of toxoplasmosis among pregnant woman was studied in natal, capital of rio grande do norte state, in northeastern brazil, from march to december 2007. the sera were tested for igm and avidity of igg antibodies to to ... | 2009 | 19211119 |
| an emerging peri-urban pattern of infection with leishmania chagasi, the protozoan causing visceral leishmaniasis in northeast brazil. | peri-urban visceral leishmaniasis (vl) caused by leishmania chagasi is emerging in a new epidemiologic pattern in brazilian cities. we studied peri-urban vl in endemic neighborhoods surrounding natal, brazil, identified through hospitalized individuals with vl. clinical and environmental information obtained for 1106 members of 216 families living in endemic neighborhoods enabled us to identify 4 groups: vl: individuals with current or prior symptomatic visceral leishmaniasis (n = 135); dth+: in ... | 2004 | 15307565 |