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Please use this identifier to cite or link to this item: http://acervodigital.unesp.br/handle/11449/111655
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dc.contributor.authorSilva, Jenevaldo Barbosa da-
dc.contributor.authorRangel, Charles Passos-
dc.contributor.authorBaeta, Bruna de Azevedo-
dc.contributor.authorFonseca, Adivaldo Henrique da-
dc.date.accessioned2014-12-03T13:08:52Z-
dc.date.accessioned2016-10-25T20:09:25Z-
dc.date.available2014-12-03T13:08:52Z-
dc.date.available2016-10-25T20:09:25Z-
dc.date.issued2014-08-01-
dc.identifierhttp://dx.doi.org/10.1007/s10493-014-9793-z-
dc.identifier.citationExperimental And Applied Acarology. Dordrecht: Springer, v. 63, n. 4, p. 551-557, 2014.-
dc.identifier.issn0168-8162-
dc.identifier.urihttp://hdl.handle.net/11449/111655-
dc.identifier.urihttp://acervodigital.unesp.br/handle/11449/111655-
dc.description.abstractThis study aimed to evaluate season, breed, number of lactations and milk production as risk factors relating to Rhipicephalus microplus infestation in dairy cows during the peripartum. Eighty-four animals were randomly selected through proportional stratified sampling. All engorged and partially engorged female R. microplus specimens measuring 4.5-8.0 mm were counted during the 5 weeks before calving, calving week and 5 weeks after calving. The peripartum had a significant effect [calving (p < 0.05; prevalence ratio (PR)= 3.12) and post calving (p < 0.05; PR = 2.02)] on R. microplus infestation. Although the average tick count was higher during the rainy season than during the dry season, there was no significant difference (p = 0.055; PR = 0.63). The average R. microplus count was significantly higher (p < 0.05; PR = 2.10) in Bos taurus animals, followed by F1 (p < 0.05; PR = 1.64) and Girolando (p < 0.05; PR = 1.39). The average R. microplus count was significantly higher (p < 0.05; PR = 0.97) in first-lactation animals, followed by those at the second, third and, fourth or subsequent lactation. Milk production showed a negative correlation with R. microplus count, such that high-production animals were significantly (p = 0.003; PR = 2.04) more vulnerable to infestation than were low-production animals. First-lactation and high-production B. taurus animals had greatest vulnerability to R. microplus infestation over the peripartum period, and constituted the at-risk group in the dairy herd.uen
dc.format.extent551-557-
dc.language.isoeng-
dc.publisherSpringer-
dc.sourceWeb of Science-
dc.subjectDairy cowen
dc.subjectLactationen
dc.subjectPeripartumen
dc.subjectPregnancyen
dc.subjectTicksen
dc.titleAnalysis of the risk factors relating to cows' resistance to Rhipicephalus microplus ticks during the peripartumen
dc.typeoutro-
dc.contributor.institutionUniversidade Estadual Paulista (UNESP)-
dc.contributor.institutionUniversidade Federal Rural do Rio de Janeiro (UFRRJ)-
dc.description.affiliationUniv Estadual Paulista, Fac Ciencias Agr & Vet, BR-14870000 Sao Paulo, Brazil-
dc.description.affiliationUniv Fed Rural Rio de Janeiro UFRRJ, BR-23890000 Rio De Janeiro, Brazil-
dc.description.affiliationUnespUniv Estadual Paulista, Fac Ciencias Agr & Vet, BR-14870000 Sao Paulo, Brazil-
dc.identifier.doi10.1007/s10493-014-9793-z-
dc.identifier.wosWOS:000337088000008-
dc.rights.accessRightsAcesso restrito-
dc.relation.ispartofExperimental and Applied Acarology-
Appears in Collections:Artigos, TCCs, Teses e Dissertações da Unesp

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