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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Distribuição de ecto e hemoparasitas em cães no estado do Rio Grande do Norte, Brasil / Distribution of ecto and hemoparasites in dogs in the state of Rio Grande do Norte, Brazil

Ferreira, Caroline Gracielle Torres 16 February 2018 (has links)
Submitted by MARCOS LEANDRO TEIXEIRA DE OLIVEIRA (marcosteixeira@ufv.br) on 2018-09-06T12:54:52Z No. of bitstreams: 1 texto completo.pdf: 3009626 bytes, checksum: 3b580c9f317c40df5878ed0ea85913c8 (MD5) / Made available in DSpace on 2018-09-06T12:54:52Z (GMT). No. of bitstreams: 1 texto completo.pdf: 3009626 bytes, checksum: 3b580c9f317c40df5878ed0ea85913c8 (MD5) Previous issue date: 2018-02-16 / Diversas espécies de parasitos podem afetar a saúde dos cães e apresentam importância zoonótica pela transmissão de patógenos ao ser humano. Por isso o conhecimento da fauna ectoparasitária e de hemoparasitas é fundamental para o controle e prevenção de enfermidades. O presente estudo objetivou caracterizar morfologicamente as espécies de ectoparasitas, determinar a prevalência das hemoparasitoses que acometem cães e identificar os fatores de risco associados à infecção no Estado do Rio Grande do Norte. Foram inspecionados 912 cães em 14 municípios do Rio Grande do Norte para pesquisa de ectoparasitas, e analisadas as fichas de anamnese e hemogramas de 4114 cães atendidos no HOVET/UFERSA, provenientes de 23 municípios do Estado. Foram identificadas dez espécies de ectoparasitas, sendo Rhipicephalus sanguineus o carrapato mais frequente. Registra-se a primeira ocorrência de Amblyomma oblongoguttatum, Amblyomma rotundatum e Ornithodoros spp. parasitando cães no Rio Grande do Norte. Dos animais analisados para hemoparasitas, 25,13% apresentaram resultados positivos para Anaplasma platys (71,37 %), Ehrlichia canis (8,32%), Hepatozoon canis (2,8%), Babesia canis (2,51%) e coinfecções (15%). As alterações hematológicas mais frequentes foram anemia normocítica normocrômica, leucopenia, trombocitopenia, formação de rouleaux, policromasia, hipocromasia, macrocitose, anisocitose, poiquilocitose, corpúsculos de Howell Jolly e metarrubrícitos. A sintomatologia observada nos animais positivos para hemoparasitoses foram mucosas hipocoradas, depressão, perda de peso, vômito, febre, uveíte, linfadenomegalia, diarreia. Além destes, hepatoesplenomegalia e icterícia foram observados em animais com B. canis e H. canis. Os achados dessa pesquisa alertam para os fatores de risco associados à presença de parasitas que acometem os cães domésticos, domiciliados e errantes, como importantes vetores de patógenos com potencial zoonótico. Por isso, a elaboração de medidas adequadas de controle de ectoparasitas e o tratamento dos cães com hemoparasitas são medidas importantes tanto para a medicina veterinária quanto para saúde pública do Estado do Rio Grande do Norte. / Several species of parasites can affect dogs health and are of zoonotic importance by the transmission of pathogens to the human being. Therefore the knowledge of ectoparasitary fauna and hemoparasites is fundamental for the control and prevention of diseases. The present study aimed to characterize morphologically the species of ectoparasites, to determine the prevalence of hemoparasitoses that affect dogs and to identify the risk factors associated with the infection in the State of Rio Grande do Norte. A total of 912 dogs were inspected in 14 cities of Rio Grande do Norte for ectoparasite research, and the records of anamnesis and hemograms of 4114 dogs seen in HOVET / UFERSA from 23 cities of the State were analyzed. Ten species of ectoparasites were identified, with Rhipicephalus sanguineus being the most frequent tick. The first occurrence of Amblyomma oblongoguttatum, Amblyomma rotundatum and Ornithodoros spp. parasitizing dogs in Rio Grande do Norte. Of the animals analyzed for hemoparasites, 25.13% presented positive results for Anaplasma platys (71.37%), Ehrlichia canis (8.32%), Hepatozzon canis (2.8%), Babesia canis 51%) and co-infections (15%). The most frequent hematological alterations were normochromic normocytic anemia, leucopenia, thrombocytopenia, rouleau formation, polychromasia, hypochromasia, macrocytosis, anisocytosis, poquilocytosis, Howell Jolly corpuscles and metarrubycytes. The symptomatology observed in the animals positive for hemoparasitoses were hypochromic mucosa, depression, weight loss, vomiting, fever, uveitis, lymphadenomegaly, diarrhea. In addition, hepatosplenomegaly and jaundice were observed in animals with B. canis and H. canis. The findings of this research point to the risk factors associated with the presence of parasites that affect domestic dogs, domiciled and wandering, as important vectors of pathogens with zoonotic potential. Therefore, the development of adequate measures to control ectoparasites and the treatment of dogs with hemoparasites are important measures for both veterinary medicine and public health in the State of Rio Grande do Norte.

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