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Please use this identifier to cite or link to this item: http://acervodigital.unesp.br/handle/11449/74482
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dc.contributor.authorDa Silva, Jenevaldo Barbosa-
dc.contributor.authorRangel, Charles Passos-
dc.contributor.authorDe Azevedo Baêta, Bruna-
dc.contributor.authorDa Fonseca, Adivaldo Henrique-
dc.date.accessioned2014-05-27T11:28:18Z-
dc.date.accessioned2016-10-25T18:43:18Z-
dc.date.available2014-05-27T11:28:18Z-
dc.date.available2016-10-25T18:43:18Z-
dc.date.issued2013-02-01-
dc.identifierhttp://dx.doi.org/10.1016/j.ttbdis.2012.07.003-
dc.identifier.citationTicks and Tick-borne Diseases, v. 4, n. 1-2, p. 52-56, 2013.-
dc.identifier.issn1877-959X-
dc.identifier.issn1877-9603-
dc.identifier.urihttp://hdl.handle.net/11449/74482-
dc.identifier.urihttp://acervodigital.unesp.br/handle/11449/74482-
dc.description.abstractThe purpose of this study was to identify the influence of physiological state, season, breed, number of lactations, dairy productivity, and stocking rate on infestation by Rhipicephalus microplus in dairy cows. Two hundred cows were selected through proportional representative sampling at the Seropédica Experimental Station (Pesagro-Rio), Brazil. Fully or partially engorged R. microplus females measuring between 4.5 and 8.0. mm were counted on the right side of each animal. The tick infestation prevalence data were analyzed in relation to the risk factors, using multiple logistic regression. Associations between prevalence and its possible influencing determinants were measured using odds ratios. The average tick count of cows during the peripartum and lactation periods was significantly higher (p<0.05; OR=4.82) than the count in dry cows. Taurine animals showed significantly higher infestation (p<0.05; OR=3.28) than pure zebuine animals. Among cross-bred animals, the infestation was higher (p<0.05) in F1 animals (1/2 taurine × 1/2 zebuine) than in Girolando animals (5/8 zebuine × 3/8 taurine). Primiparous cows (p<0.05) had significantly heavier infestations than multiparous cows. Dairy production showed a positive correlation with tick infestation (p<0.03; OR=2.94), such that the most productive animals were the most parasitized ones. Animals kept at high densities were significantly more heavily infested (p<0.05, OR=6.32) than animals kept at low density. First-lactation and high-productivity taurine animals were more vulnerable to R. microplus, thus comprising a high-risk group in dairy herds. © 2012 Elsevier GmbH.en
dc.format.extent52-56-
dc.language.isoeng-
dc.sourceScopus-
dc.subjectDairy cow-
dc.subjectLactation-
dc.subjectPeripartum-
dc.subjectPregnancy-
dc.subjectResistance-
dc.subjectTicks-
dc.subjectBrazil-
dc.subjectbreed difference-
dc.subjectdairy cattle-
dc.subjectfemale-
dc.subjectlactation-
dc.subjectmilk production-
dc.subjectnonhuman-
dc.subjectperinatal period-
dc.subjectpregnancy-
dc.subjectprevalence-
dc.subjectprimipara-
dc.subjectpriority journal-
dc.subjectRhipicephalus (Boophilus) microplus-
dc.subjectstocking density-
dc.subjecttick infestation-
dc.subjectAnimals-
dc.subjectCattle-
dc.subjectCattle Diseases-
dc.subjectDairying-
dc.subjectFemale-
dc.subjectRhipicephalus-
dc.subjectRisk Factors-
dc.subjectSeasons-
dc.subjectTick Infestations-
dc.subjectAnimalia-
dc.subjectIxodida-
dc.titleInfluence of the physiological state on infestation by Rhipicephalus microplus in dairy cowsen
dc.typeoutro-
dc.contributor.institutionUniversidade Estadual Paulista (UNESP)-
dc.contributor.institutionIMA-
dc.contributor.institutionUniversidade Federal Rural do Rio de Janeiro (UFRRJ)-
dc.description.affiliationFaculdade de Ciências Agrárias e Veterinárias UNESP, Rod. Carlos Tonanni, Km 05, 14870-000 Jaboticabal, São Paulo-
dc.description.affiliationInstituto Mineiro de Agropecuária IMA, Av. Santa Mônica, 815, Saudade, 39440-000 Janaúba, Minas Gerais-
dc.description.affiliationUniversidade Federal Rural do Rio de Janeiro UFRRJ, BR465, Km 07, 23890-000 Seropédica, Rio de Janeiro-
dc.description.affiliationUnespFaculdade de Ciências Agrárias e Veterinárias UNESP, Rod. Carlos Tonanni, Km 05, 14870-000 Jaboticabal, São Paulo-
dc.identifier.doi10.1016/j.ttbdis.2012.07.003-
dc.identifier.wosWOS:000316519000007-
dc.rights.accessRightsAcesso restrito-
dc.relation.ispartofTicks and Tick-borne Diseases-
dc.identifier.scopus2-s2.0-84872605483-
Appears in Collections:Artigos, TCCs, Teses e Dissertações da Unesp

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