Publications

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[ticks and hemoparasitic diseases in cattle in senegal. iv. the southern sudan area].the authors report on the results of an investigation on ticks and hemoparasitoses of cattle, sheep and goats in the south sudanian area of senegal. systematic routine dipping against ticks of cattle, 40 sheep and 40 goats was set during 15 months, with a view to determine the population dynamics together with an acurate localization of the different species concerned. the following parasites were collected from these ruminants: amblyomma variegatum, boophilus geigyi, hyalomma truncatum, h. m. r ...19902218038
[ticks and hemoparasitoses of livestock in senegal. iii. the northern sudan area].the authors describe the results of a study on ticks and hemoparasitoses of cattle and small ruminants in the senegalese north-sudanian area. for 15 months, 40 bovine, 40 sheep and 40 goats received a routine dipping treatment, aimed at the determination of the tick population dynamics together with an accurate localization of the preferential sites for the different species. the following parasites were collected from the animals: hyalomma marginatum rufipes, h. truncatum, rhipicephalus lunulat ...19892485548
[ticks and hemoparasitoses of livestock in senegal. vi. the soudano-sahelian zone].the authors report the results of a study on ticks and hemoparasitoses among cattle, sheep and goats in the sudano-sahelian zone. during a period of 15 months, ticks were systematically removed from 40 cattle, 40 sheep and 40 goats in order to assess the population dynamics and determine more accurately the preferential sites of settlement of the different species. the following species were collected in ruminants: hyalomma truncatum, h. marginatum rufipes, rhipicephalus evertsi evertsi, rh. gui ...19947991897
[ticks and hemoparasitoses in livestock in senegal. v. the northern guinea area].the authors report the results of a study on ticks and hemoparasitoses among cattle, sheep and goats in the north-guinean zone. during a period of 15 months, ticks were systematically removed from 40 cattle, 40 sheep and 40 goats in order to assess the population dynamics and to determine more accurately the preferential sites of settlement of the following different species collected from these animals: amblyomma variegatum, boophilus geigyi, hyalomma truncatum, h. marginatum rufipes, rhipiceph ...19938073170
detection of antibodies to cowdria ruminantium in the serum of domestic ruminants by indirect elisa.a solid phase enzyme immunoassay for the detection of antibodies to cowdria ruminantium in the serum of domestic ruminants was developed by using microorganisms cultivated on bovine umbilical endothelial cells as antigen. when the culture showed 90% lysis, the supernatant was centrifuged, sonicated and coated on polystyrene microtiter plates. antibodies were detected as early as 9 days after experimental immunization of goats. the sensitivity of the elisa calculated with 73 ruminant sera ranged ...19938134621
the immunodominant 32-kilodalton protein of cowdria ruminantium is conserved within the genus ehrlichia.serological tests for cowdriosis are hampered by cross-reacting antibodies from animals suspected to be infected with ehrlichia species. we have monitored infections with ehrlichia bovis, e. ovina, e. canis and e. phagocytophila in experimental animals by competitive elisa, western blotting and immunofluorescence using cowdria-infected endothelial cell culture antigens. cross-reactions due to ehrlichia antibodies could be attributed to the recognition of epitopes on the immunodominant cr32 cowdr ...19938134624
detection and quantification of anaplasma marginale dna in blood samples of cattle by real-time pcr.a taqman-based real-time pcr assay was developed for the diagnosis of anaplasma marginale infection of cattle. the established assay was proven to be highly specific, since no cross-reactions were observed with other anaplasma species of ruminants, including the closely related anaplasma centrale, or other haemoparasites of ruminants (anaplasma bovis, anaplasma ovis, anaplasma phagocytophilum, babesia bovis, babesia bigemina, theileria annulata and theileria buffeli). the detection limit was equ ...200717466470
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