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Registro Completo |
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Biblioteca(s): |
Embrapa Caprinos e Ovinos. |
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Data corrente: |
26/08/2016 |
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Data da última atualização: |
03/10/2016 |
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Autoria: |
THOMPSON, R. L.; CALLINAN A. P. L. |
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Título: |
The effects of nematodiasis on weaner sheep in Western Victoria. |
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Ano de publicação: |
1981 |
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Fonte/Imprenta: |
Australian Journal of Agricultural Research, v. 32, n. 6, p. 975-985, 1981. |
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DOI: |
10.1071/AR9810975 |
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Idioma: |
Inglês |
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Conteúdo: |
Abstract: The development of nematodiasis and its subsequent effect upon production from Merino weaner sheep in western Victoria was studied at Hamilton during 1975-77. In each year, all weaners were drenched in summer and allocated to groups of 36, stocked at 15 sheep ha-1. The groups were given oral anthelmintics weekly, monthly or on five, two or one occasions between March and December of each year. A further two groups were not drenched, but one of these groups was given access to anthelmintic blocks. Nematodiasis was prevalent from the commencement of continuous pasture growth in autumn until early summer. Its effect varied considerably between both years and treatments. Undrenched sheep gained 39-66% less liveweight and grew 16-30% less wool than sheep drenched weekly. In two of the three years, liveweight gain and greasy fleece weight increased with frequency of anthelmintic treatment. The mean faecal egg count (EPG) in untreated sheep during the three years was over 500 eggs g-1 dry faeces and the mean number of nematode larvae ha-1 (LPH) was c. 1 x l06. Only those groups of sheep receiving 5, 12 or weekly drenches during the experimental periods had EPG or LPH that were significantly less than those of the undrenched sheep. Two to five anthelmintic treatments between March and December gave adequate control of nematodiasis. |
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Palavras-Chave: |
Anthelmintic. |
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Thesagro: |
Anti-helmíntico; Infecção; Nematóide; Ovino. |
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Thesaurus Nal: |
Nematode infections; Sheep. |
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Categoria do assunto: |
H Saúde e Patologia |
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Marc: |
LEADER 01989naa a2200229 a 4500
001 2051811
005 2016-10-03
008 1981 bl uuuu u00u1 u #d
024 7 $a10.1071/AR9810975$2DOI
100 1 $aTHOMPSON, R. L.
245 $aThe effects of nematodiasis on weaner sheep in Western Victoria.
260 $c1981
520 $aAbstract: The development of nematodiasis and its subsequent effect upon production from Merino weaner sheep in western Victoria was studied at Hamilton during 1975-77. In each year, all weaners were drenched in summer and allocated to groups of 36, stocked at 15 sheep ha-1. The groups were given oral anthelmintics weekly, monthly or on five, two or one occasions between March and December of each year. A further two groups were not drenched, but one of these groups was given access to anthelmintic blocks. Nematodiasis was prevalent from the commencement of continuous pasture growth in autumn until early summer. Its effect varied considerably between both years and treatments. Undrenched sheep gained 39-66% less liveweight and grew 16-30% less wool than sheep drenched weekly. In two of the three years, liveweight gain and greasy fleece weight increased with frequency of anthelmintic treatment. The mean faecal egg count (EPG) in untreated sheep during the three years was over 500 eggs g-1 dry faeces and the mean number of nematode larvae ha-1 (LPH) was c. 1 x l06. Only those groups of sheep receiving 5, 12 or weekly drenches during the experimental periods had EPG or LPH that were significantly less than those of the undrenched sheep. Two to five anthelmintic treatments between March and December gave adequate control of nematodiasis.
650 $aNematode infections
650 $aSheep
650 $aAnti-helmíntico
650 $aInfecção
650 $aNematóide
650 $aOvino
653 $aAnthelmintic
700 1 $aCALLINAN A. P. L.
773 $tAustralian Journal of Agricultural Research$gv. 32, n. 6, p. 975-985, 1981.
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Registro original: |
Embrapa Caprinos e Ovinos (CNPC) |
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| Registros recuperados : 8 | |
| 5. |  | RESENDE, M. D. V. de; STRINGER, J. K.; CULLIS, B. R.; THOMPSON, R. Joint modelling of competition and spatial variability in forest field trials. Revista de Matemática e Estatística, São Paulo, v. 23, n. 2, p. 7-22, 2005. Também publicado em EUCALYPTUS IN A CHANGING WORLD: international IUFRO conference of the WP2.08.03 on silviculture and improvement of eucalypts, 2004, Aveiro. Proceedings. Aveiro: RAIZ - Instituto de Investigação da Floresta e Papel,...| Biblioteca(s): Embrapa Florestas. |
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| 6. | | SIVIERO, A.; ROWEDER, C.; MACEDO, P. E. F. de; THOMPSON, R. M.; OLIVEIRA, L. C. de. Mancha foliar e desfolha causada por Cylindrocladium spp. em genótipos de eucalipto no Acre, Amazônia. In: CONGRESSO BRASILEIRO DE FITOPATOLOGIA, 49., 2016, Maceió. Anais eletrônicos... Maceió: SBF: Ufal: Ceca, 2016. 1 p.| Tipo: Resumo em Anais de Congresso |
| Biblioteca(s): Embrapa Acre. |
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| 8. | | THOMPSON, R. M.; MORAIS, F. M. de; OLIVEIRA, L. C. de; FRANKE, I. L.; MARTINS-DA-SILVA, R. C. V.; RODRIGUES, S. T. Espécies arbóreas em pastagens no Acre. In: SIVIERO, A.; MING, L. C.; SILVEIRA, M.; DALY, D. C.; WALLACE, R. H. (Org.). Etnobotânica e botânica econômica do Acre. Rio Branco, AC: Edufac, 2016. Cap. 17, p. 231-240.| Tipo: Capítulo em Livro Técnico-Científico |
| Biblioteca(s): Embrapa Acre; Embrapa Amazônia Oriental. |
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| Registros recuperados : 8 | |
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