| Registro completo |
| Provedor de dados: |
BABT
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| País: |
Brazil
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| Título: |
Effects of chromium supplementation on the infrapopulations of Anacanthorus penilabiatus (Monogenoidea) and Piscinoodinium pillulare (Dinoflagellida) parasites of Piaractus mesopotamicus (Characidae)
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| Autores: |
Fujimoto,Rodrigo Yudi
Castro,Marcello Pardi de
Martins,Maurício Laterça
Moraes,Flávio Ruas de
Varella,Jamille Elzira de Almeida
Diniz,Daniel Guerreiro
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| Data: |
2010-08-01
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| Ano: |
2010
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| Palavras-chave: |
Piaractus mesopotamicus
Chromium
Stocking density
Piscinoodinium pillulare
Anacanthorus penilabiatus
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| Resumo: |
This study evaluated the parasitism by Anacanthorus penilabiatus (Monogenoidea) and Piscinoodinium pillulare (Dinoflagellida) in the gills of "pacu", Piaractus mesopotamicus supplemented with chromium in the diet. Randomised delineation by using factorial scheme (4x2x2) for Monogenoidea and 4x2x3 for Dinoflagellate with four levels of chromium (0, 6, 12, 18mg/kg diet), two stocking densities (4kg/m³ and 20kg/m ³), two classes of length (higher and lower than 17 cm) for a period of 7, 60 and 90 days, and four replicates was used. The fishes in low density which received 12 and 18mg/kg showed decreased monogeneoidea values, seven days after the experiment begin. Six, 12 and 18 mg/kg caused reduction in the dinoflagellate number in the fishes maintained at 20kg/m³. It was possible that chromium supplementation (12 e 18mg/kg) favoured the fishes health by reducing Monogenoidea and Dinoflagellida number in lower and higher densities, respectively.
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| Tipo: |
Info:eu-repo/semantics/article
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| Idioma: |
Inglês
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| Identificador: |
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132010000400011
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| Editor: |
Instituto de Tecnologia do Paraná - Tecpar
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| Relação: |
10.1590/S1516-89132010000400011
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| Formato: |
text/html
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| Fonte: |
Brazilian Archives of Biology and Technology v.53 n.4 2010
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| Direitos: |
info:eu-repo/semantics/openAccess
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