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Registro Completo |
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Biblioteca(s): |
Embrapa Caprinos e Ovinos. |
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Data corrente: |
10/09/2018 |
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Data da última atualização: |
10/09/2018 |
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Autoria: |
STEWART, D. J. |
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Título: |
The role of various antigenic fractions of Bacteroides nodosus in eliciting protection against foot-rot in vaccinated sheep. |
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Ano de publicação: |
1978 |
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Fonte/Imprenta: |
Research in Veterinary Science, v. 24, n. 1 p. 14-17, Jan. 1978. |
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Idioma: |
Inglês |
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Conteúdo: |
Abstract: Sheep were vaccinated against foot-rot with various antigenic extracts of Bacteroides nodosus and challenged to assess their resistance. The protective immunogen was shown to be a heat-labile, high molecular weight surface antigen which was removed by ultrafiltration and was either identical to or closely associated with the fimbriae of the organism. Resistance appeared to be associated with the presence of a single high molecular precipitinogen distinct from the 0 antigen. Agglutinating antibodies to the surface antigen in immunised sheep were predominantly IgG1 whereas the 0 antigen induced predominantly IgM indirect haemagglutinating antibodies. Reactions at vaccination sites were less marked to the surface antigen than to the 0 antigen. |
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Palavras-Chave: |
Foot Rot. |
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Thesaurus Nal: |
Antigens; Bacterial antibodies; Bacteroides; Disease control; Disease prevention; Immunoglobulin G; Sheep diseases; Vaccination. |
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Categoria do assunto: |
H Saúde e Patologia |
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Marc: |
LEADER 01447naa a2200229 a 4500
001 2095247
005 2018-09-10
008 1978 bl uuuu u00u1 u #d
100 1 $aSTEWART, D. J.
245 $aThe role of various antigenic fractions of Bacteroides nodosus in eliciting protection against foot-rot in vaccinated sheep.
260 $c1978
520 $aAbstract: Sheep were vaccinated against foot-rot with various antigenic extracts of Bacteroides nodosus and challenged to assess their resistance. The protective immunogen was shown to be a heat-labile, high molecular weight surface antigen which was removed by ultrafiltration and was either identical to or closely associated with the fimbriae of the organism. Resistance appeared to be associated with the presence of a single high molecular precipitinogen distinct from the 0 antigen. Agglutinating antibodies to the surface antigen in immunised sheep were predominantly IgG1 whereas the 0 antigen induced predominantly IgM indirect haemagglutinating antibodies. Reactions at vaccination sites were less marked to the surface antigen than to the 0 antigen.
650 $aAntigens
650 $aBacterial antibodies
650 $aBacteroides
650 $aDisease control
650 $aDisease prevention
650 $aImmunoglobulin G
650 $aSheep diseases
650 $aVaccination
653 $aFoot Rot
773 $tResearch in Veterinary Science$gv. 24, n. 1 p. 14-17, Jan. 1978.
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Embrapa Caprinos e Ovinos (CNPC) |
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