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Registro Completo |
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Biblioteca(s): |
Embrapa Caprinos e Ovinos. |
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Data corrente: |
01/08/1992 |
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Data da última atualização: |
02/08/2023 |
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Autoria: |
GREGORY, M. W.; CATCHPOLE, J. |
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Título: |
Ovine coccidiosis: pathology of Eimeria ovinoidalis infection. |
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Ano de publicação: |
1987 |
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Fonte/Imprenta: |
International Journal for parasitology, v. 17, n. 6, p. 1099-1111, Aug. 1987. |
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DOI: |
10.1016/0020-7519(87)90162-7. |
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Idioma: |
Inglês |
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Conteúdo: |
Abstract: Doses of sporulated oocysts of Eimeria ovinoidalis ranging from 102 to 5 × 106 were given to 25 housed lambs aged between 5 and 13 weeks, most of which had been reared coccidia-free. Some had received an ?immunizing? dose 3?4 weeks earlier. Lambs were killed between 8 and 21 days after inoculation (DAI) and the tissues were examined histologically. Doses higher than 106 caused extensive loss of epithelial cells in the lower jejunum both from the surface and from the crypts at 10 DAI when first-generation meronts were mature. Doses of 103 oocysts or more caused diarrhoea from about 13 DAI in both first and second infections; this was associated with massive invasion of the caecal epithelium by second-generation meronts and gamonts. Destruction of crypt stem cells by these stages led to denudation of the caecal mucosa, resulting in haemorrhagic enteritis, dehydration and delayed healing or death. |
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Palavras-Chave: |
Eimeria ovinoidalis; Patologia. |
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Thesagro: |
Coccidiose; Ovino; Parasitologia. |
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Thesaurus Nal: |
Animal pathology; Coccidiosis; Diarrhea; Dysentery; Enteritis; Enteropathogens; Intestines; Lambs; Parasitology; Sheep diseases. |
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Categoria do assunto: |
H Saúde e Patologia |
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Marc: |
LEADER 01806naa a2200325 a 4500
001 1520912
005 2023-08-02
008 1987 bl uuuu u00u1 u #d
024 7 $a10.1016/0020-7519(87)90162-7.$2DOI
100 1 $aGREGORY, M. W.
245 $aOvine coccidiosis$bpathology of Eimeria ovinoidalis infection.$h[electronic resource]
260 $c1987
520 $aAbstract: Doses of sporulated oocysts of Eimeria ovinoidalis ranging from 102 to 5 × 106 were given to 25 housed lambs aged between 5 and 13 weeks, most of which had been reared coccidia-free. Some had received an ?immunizing? dose 3?4 weeks earlier. Lambs were killed between 8 and 21 days after inoculation (DAI) and the tissues were examined histologically. Doses higher than 106 caused extensive loss of epithelial cells in the lower jejunum both from the surface and from the crypts at 10 DAI when first-generation meronts were mature. Doses of 103 oocysts or more caused diarrhoea from about 13 DAI in both first and second infections; this was associated with massive invasion of the caecal epithelium by second-generation meronts and gamonts. Destruction of crypt stem cells by these stages led to denudation of the caecal mucosa, resulting in haemorrhagic enteritis, dehydration and delayed healing or death.
650 $aAnimal pathology
650 $aCoccidiosis
650 $aDiarrhea
650 $aDysentery
650 $aEnteritis
650 $aEnteropathogens
650 $aIntestines
650 $aLambs
650 $aParasitology
650 $aSheep diseases
650 $aCoccidiose
650 $aOvino
650 $aParasitologia
653 $aEimeria ovinoidalis
653 $aPatologia
700 1 $aCATCHPOLE, J.
773 $tInternational Journal for parasitology$gv. 17, n. 6, p. 1099-1111, Aug. 1987.
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| 4. |  | LIMA, A. R. A.; VASCONCELOS, M. K. P.; BARBIERI, R. L.; HECK, R. M. Plantas medicinais utilizadas pelos octogenários e nonagenários de uma vila periférica de Rio Grande/RS, Brasil. Revista de Enfermagem UFPE on-line, Recife, v. 5, n. 5, p. 1319-1326, ago. 2011.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: B - 3 |
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