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Previous issue date: 2010-02-24 / Conselho Nacional de Desenvolvimento Cient?fico e Tecnol?gico / Cystoisospora felis is an obligatory intracellular parasite that infecting felines of diverse
species, that were contaminated by ingesting sporulated oocysts end/or intermediated host
harboring monozoic cysts of this species. In this study, 10 Japanese quails were infected with
a pure inoculum consisted by 106 sporulated oocysts of C. felis, after 60 days post infection,
liver, spleen, and bursa of Fabricius were removed from each quail and they were given to
feed to 3 kittens separately. A forth kitten was infected with 106 sporulated oocysts orally.
After shedding oocysts by kittens, they were allowed to sporulate. After that, 50 sporulated
oocysts of each infection were measured, having as means of Length, Width and Shape Index
the following values: 44.30?2.30, 31.30?1.90 ?m and 1.40?0.1 from kitten fed on liver,
46.30?2.20, 32.90?1.90 ?m and 1.40?0.1 from kitten fed on spleen, 44.80?2.20, 31.20?1.60
?m and 1.40?0.1 from kitten fed on bursa of Fabricius, and 43.60?1.60, 30.80?1.60 ?m and
1.40?0.1 from kitten infected with sporulated oocysts orally as well as C. felis prepatent and
patent periods. By analyzing the frequency of the distribution of values was observed that
when the source of infection were liver and spleen, the distribution was more homogeneous,
which did not occur when was used cloacal bursa or sporulated oocysts as sources of
infection. As conclusions in this work, there were no significant differences among de
morphometry of the sporulated oocysts, independent of the source of infection. Moreover, the
pre-patent and patent were similar when cats fed on infected viscera of quails experimentally
infected with sporulated oocysts of C. felis previously when compared with the animal that
received 1x106 sporulated oocysts orally. / Cystoisospora felis ? um parasito intracelular obrigat?rio que acomete fel?deos de diversas
esp?cies, que podem se contaminar tanto pela ingest?o de oocistos esporulados, quanto pela
ingest?o de tecidos de hospedeiros intermedi?rios infectados previamente com oocistos
esporulados. Neste estudo, 10 codornas japonesas foram infectadas com um inoculo puro de
oocistos esporulados de C. felis na concentra??o de 1 x 106, e ap?s 60 dias, ba?o, f?gado e
bursa dessas codornas infectadas foram oferecidos a tr?s filhotes de gato livres de infec??o.
Um quarto gato ainda foi infectado com uma suspens?o de 1 x 106 oocistos esporulados de C.
felis por via oral. Ap?s o in?cio da elimina??o, os oocistos foram colocados para esporular e,
ap?s a esporula??o, 50 oocistos oriundos de cada infec??o foram mensurados, tendo como
m?dias de di?metros maior (DM), menor (dm) e ?ndice morfom?trico os seguintes valores:
44,30?2,30, 31,30?1,90 ?m e 1,40?0,1 para os oriundos do animal infectado com f?gado,
46,30?2,20, 32,90?1,90 ?m e 1,40?0,1 para os oocistos do animal infectado com ba?o,
44,80?2,20, 31,20?1,60 ?m e 1,40?0,1 para os oocistos oriundos do animal infectado com
bursa e 43,60?1,60, 30,80?1,60 ?m e 1,40?0,1 para os oocistos do animal que recebeu
oocistos por via oral. Ao analisar a distribui??o da frequ?ncia dos valores dessas medidas,
pude-se observar que quando a fonte de infec??o utilizada foi f?gado e ba?o, a distribui??o foi
mais homog?nea, o que n?o ocorreu quando utilizou-se bursa cloacal ou oocistos esporulados
como fonte de infec??o. Com estes resultados foi poss?vel concluir que n?o se observaram
diferen?as significativas na morfometria dos oocistos de C. felis independente da fonte de
infec??o. Al?m disso, os per?odos pr?-patente e patente foram semelhantes quando os gatos
livres de infec??o foram alimentados com v?sceras de codornas, infectadas previamente com
oocistos esporulados de C. felis em compara??o com o animal que recebeu 1 x 106 oocistos
esporulados por via oral.
| Identifer | oai:union.ndltd.org:IBICT/oai:localhost:tede/733 |
| Date | 24 February 2010 |
| Creators | Rodrigues, Jana?na da Soledad |
| Contributors | Lopes, Carlos Wilson Gomes |
| Publisher | Universidade Federal Rural do Rio de Janeiro, Curso de P?s-Gradua??o em Ci?ncias Veterin?rias, UFRRJ, Brasil, Parasitologia Veterin?ria |
| Source Sets | IBICT Brazilian ETDs |
| Language | Portuguese |
| Detected Language | English |
| Type | info:eu-repo/semantics/publishedVersion, info:eu-repo/semantics/masterThesis |
| Format | application/pdf |
| Source | reponame:Biblioteca Digital de Teses e Dissertações da UFRRJ, instname:Universidade Federal Rural do Rio de Janeiro, instacron:UFRRJ |
| Rights | info:eu-repo/semantics/openAccess |
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