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Registro Completo |
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Biblioteca(s): |
Embrapa Caprinos e Ovinos. |
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Data corrente: |
29/07/2019 |
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Data da última atualização: |
10/12/2019 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
TEIXEIRA, M.; MATOS, A. F. I. M.; ALBUQUERQUE, F. H. M. A. R. de; BASSETTO, C. C.; SMITH, W. D.; MONTEIRO, J. P. |
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Afiliação: |
MARCEL TEIXEIRA, CNPC; ANTÔNIO FRANCISCO IGOR MAGALHÃES MATOS, Pós-Graduação - Universidade Federal de Santa Maria (UFSM) - Santa Maria, RS, Brazil; FERNANDO HENRIQUE M A R DE ALBUQUERQUE, CNPC; CESAR CRISTIANO BASSETTO, Universidade Estadual Júlio de Mesquita Filho (UNESP) - Botucatu, SP, Brazil.; WILLIAM DAVID SMITH, Moredun Research Institute, Pentlands Science Park, Penicuik, Midlothian, Scotland.; JOMAR PATRICIO MONTEIRO, CNPC. |
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Título: |
Strategic vaccination of hair sheep against Haemonchus contortus. |
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Ano de publicação: |
2019 |
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Fonte/Imprenta: |
Parasitology Research, v. 118, n. 8, p. 2383-2388, Aug. 2019. |
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DOI: |
10.1007/s00436-019-06367-x |
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Idioma: |
Inglês |
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Conteúdo: |
Abstract: In this study, we evaluated in two trials a protocol designed to protect hair sheep using Barbervax®, a vaccine containing Haemonchus contortus gut membrane glycoprotein antigens. Results indicated that naturally infected vaccinated sheep had significant egg count reductions (90.2 ± 4.03%) compared with controls, although blood parameters remained relatively unchanged probably because the level of challenge was low. Vaccination prevented the periparturient rise in egg shedding of ewes, as well as egg shedding in lambs (37.1%). In the second trial, sheep which were experimentally exposed to higher artificial challenge also showed an efficient response to the vaccine as confirmed by high antibody levels and reduced egg counts and worm burdens (87 ± 5.4% and 79%) respectively. Thus, we believe that the vaccine should be integrated with other management practices for meat hair sheep as it has the advantages of adequate efficacy, reducing anthelmintic utilization and avoiding milk and environmental contamination with chemical residues. |
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Thesagro: |
Haemonchus Contortus; Helminto Gastrintestinal; Nematóide; Ovino; Verminose. |
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Thesaurus Nal: |
Brazil; Control methods; Nematode control; Nematode infections; Parasites; Semiarid soils; Small ruminants; Vaccines. |
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Categoria do assunto: |
H Saúde e Patologia |
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Marc: |
LEADER 02045naa a2200349 a 4500
001 2110937
005 2019-12-10
008 2019 bl uuuu u00u1 u #d
024 7 $a10.1007/s00436-019-06367-x$2DOI
100 1 $aTEIXEIRA, M.
245 $aStrategic vaccination of hair sheep against Haemonchus contortus.$h[electronic resource]
260 $c2019
520 $aAbstract: In this study, we evaluated in two trials a protocol designed to protect hair sheep using Barbervax®, a vaccine containing Haemonchus contortus gut membrane glycoprotein antigens. Results indicated that naturally infected vaccinated sheep had significant egg count reductions (90.2 ± 4.03%) compared with controls, although blood parameters remained relatively unchanged probably because the level of challenge was low. Vaccination prevented the periparturient rise in egg shedding of ewes, as well as egg shedding in lambs (37.1%). In the second trial, sheep which were experimentally exposed to higher artificial challenge also showed an efficient response to the vaccine as confirmed by high antibody levels and reduced egg counts and worm burdens (87 ± 5.4% and 79%) respectively. Thus, we believe that the vaccine should be integrated with other management practices for meat hair sheep as it has the advantages of adequate efficacy, reducing anthelmintic utilization and avoiding milk and environmental contamination with chemical residues.
650 $aBrazil
650 $aControl methods
650 $aNematode control
650 $aNematode infections
650 $aParasites
650 $aSemiarid soils
650 $aSmall ruminants
650 $aVaccines
650 $aHaemonchus Contortus
650 $aHelminto Gastrintestinal
650 $aNematóide
650 $aOvino
650 $aVerminose
700 1 $aMATOS, A. F. I. M.
700 1 $aALBUQUERQUE, F. H. M. A. R. de
700 1 $aBASSETTO, C. C.
700 1 $aSMITH, W. D.
700 1 $aMONTEIRO, J. P.
773 $tParasitology Research$gv. 118, n. 8, p. 2383-2388, Aug. 2019.
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| 14. |  | BOMFIM, M. A. D.; ALBUQUERQUE, F. H. M. A. R. de; SOUZA, R. T. de. Papel da nutrição sobre a reprodução ovina. Acta Veterinaria Brasilica, Mossoró, v. 8, Supl. 2, p. 372-379, 2014. Trabalho apresentado nos Anais do VII Congresso Norte Nordeste de Reprodução Anima (CONERA), Mossoró, maio, 2014.| Tipo: Artigo em Anais de Congresso |
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| 20. | | GUIMARÃES, V. P.; HOLANDA JÚNIOR, E. V.; OLIVEIRA, E. L de; ALBUQUERQUE, F. H. M. A. R. de. Impact of puberty and lactation order of a dairy goat herd in Northeast of Brazil. In: INTERNATIONAL CONFERENCE ON GOATS, 9.; REUNIÓN NACIONAL SOBRE CAPRINOCULTURA, 23., 2008, Querétaro, México. Sustainable goat production: challenges and opportunities of small and large enterprises; proceedings. Querétaro: International Goat Association, 2008. p. 134 ref. 143.| Tipo: Resumo em Anais de Congresso |
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