Publications

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efficacy of three broad-spectrum anthelmintics against gastrointestinal nematode infections of goats.groups of 10 goats, harbouring both naturally acquired and experimental infections of gastrointestinal nematodes, were drenched with either levamisole (5 mg kg-1), albendazole (3.8 mg kg-1) or parbendazole (15 mg kg-1), or remained untreated. haemonchus contortus was the numerically dominant infection, with strongyloides papillosus, trichostrongylus colubriformis and oesophagostomum columbianum also present. at 5-6 days post-treatment, goats were killed and necropsied. post-mortem worm counts sh ...19892588471
seasonal prevalence of gastrointestinal nematodes of goats in pernambuco state, brazil.during each of 36 1-month periods from april 1979 to march 1982, 3-4 goats selected from typical farms were necropsied and examined for gastrointestinal nematodes. the goats were male, 12 months old, born on the farm and raised without any anthelmintic application. at the beginning of each month, from april 1981 to march 1982, three 12-month-old male goats shown to be free of gastrointestinal nematodes after anthelmintic treatment were grazed with a flock of naturally infected goats (tracer goat ...19892728324
ecotopes, natural infection and trophic resources of triatoma brasiliensis (hemiptera, reduviidae, triatominae).triatoma brasiliensis is considered as one of the most important chagas disease vectors in the northeastern brazil. this species presents chromatic variations which led to descriptions of subspecies, synonymized by lent and wygodzinsky (1979). in order to broaden bionomic knowledge of these distinct colour patterns of t. brasiliensis, captures were performed at different sites, where the chromatic patterns were described: caicó, rio grande do norte (t. brasiliensis brasiliensis neiva, 1911), it ...19989698835
[detection of antibodies against anaplasma sp. in small ruminants from the semi-arid region against pernambuco state, brazil].this paper reports the detection of antibodies against anaplasma sp. in goats and sheep from the semi-arid region from pernambuco state, brazil, using an enzyme-linked immunosorbent assay with recombinant msp5 of anaplasma marginale. sera from 243 goats and 68 sheep from ibimirim municipality were analyzed and frequencies of antibodies of 11.93% (29/243) and 16.17% (11/68) were found for goats and sheep, respectively. the epidemiological relevance of the findings was discussed.200818823582
isolation and genetic characterisation of toxoplasma gondii from a red-handed howler monkey (alouatta belzebul), a jaguarundi (puma yagouaroundi), and a black-eared opossum (didelphis aurita) from brazil.toxoplasma gondii isolates are highly diverse in domestic animals from brazil. however, little is known about the genetics of this parasite from wild mammals in the same region. reveal genetic similarity or difference of t. gondii among different animal populations is necessary for us to understand transmission of this parasite. here we reported isolation and genetic characterisation of three t. gondii isolates from wild animals in brazil. the parasite was isolated by bioassay in mice from tissu ...201021055880
seroprevalence of toxoplasma gondii in domestic and wild animals from the fernando de noronha, brazil.abstract fernando de noronha is an archipelago of 21 islands and islets in the atlantic ocean, state of pernambuco, brazil, and has a varied biodiversity, including alien species or sinantropic animals. the objective here was to determine seroprevalence of toxoplasma gondii in domestic and wild animals from fernando de noronha archipelago, brazil. between july 2007 to may 2010, blood samples were collected from 764 animals (533 domestic and 231 wild animals). sera were tested by the indirect f ...201122150091
serological survey of neospora caninum in small ruminants from pernambuco state, brazil.neospora caninum infection is an important cause of bovine abortion as well as neonatal mortality in goats and sheep. a serological survey for antibodies against n. caninum in goats and sheep was carried out in the municipality of ibimirim, pe, northeastern brazil. the imunnofluoresce antibody test showed that 26.6% (85/319) of the goats and 64.2% (52/81) of the sheep were positive. serologic reactivity was associated with age in goats (p < 0.01) and sheep (p > 0.05), with increasing rates in ol ...201121961757
ticks on domestic animals in pernambuco, northeastern brazil.the objective of this article was to discuss some aspects of ticks associated with domestic animals in the state of pernambuco, northeastern brazil, based on a literature review and present new data obtained from recent tick collections carried out in this northeastern brazilian state. from august 2007 to june 2008, 1,405 ticks were collected and five species were identified: amblyomma cajennense (fabricius, 1787), amblyomma ovale koch, 1844, dermacentor nitens neumann, 1897, rhipicephalus (boop ...200919772771
swainsonine-induced lysosomal storage disease in goats caused by the ingestion of turbina cordata in northeastern brazil.a disease of the central nervous system in goats was observed in the municipalities of juazeiro, casa nova and curaça, state of bahia, and petrolina, state of pernambuco, northeastern brazil. the disease was produced experimentally in two goats by the administration of dry turbina cordata mixed with grain. clinical signs were observed after the ingestion of 62 and 106 g/kg body weight in 28 and 54 days, respectively. the concentration of swainsonine in the plant varied from less than 0.001% to 0 ...200717030054
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