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 | Acesso ao texto completo restrito à biblioteca da Embrapa Pesca e Aquicultura. Para informações adicionais entre em contato com cnpaf.biblioteca@embrapa.br. |
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Registro Completo |
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Biblioteca(s): |
Embrapa Pesca e Aquicultura. |
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Data corrente: |
24/11/2021 |
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Data da última atualização: |
15/02/2022 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
RAMOS, A. M. J.; FRACALOSSI, D. M.; FREITAS, L. E. L. de; SANTOS, V. R. V. dos; RODRIGUES, A. P. O. |
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Afiliação: |
ANTÔNIO MARCOS JAQUES RAMOS; DÉBORA MACHADO FRACALOSSI; LUIZ EDUARDO LIMA DE FREITAS, CNPASA; VIVIANE RODRIGUES V DOS SANTOS, CNPASA; ANA PAULA OEDA RODRIGUES, CNPASA. |
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Título: |
Optimizing methodological aspects of stool collection by sedimentation in digestibility studies with pirarucu (Arapaima gigas). |
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Ano de publicação: |
2022 |
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Fonte/Imprenta: |
Aquaculture Research, v. 53, n. 4, p. 1456-1467, Mar. 2022. |
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ISSN: |
1365-2109 |
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DOI: |
https://doi.org/10.1111/are.15680 |
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Idioma: |
Inglês |
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Conteúdo: |
This study aimed at optimizing the sedimentation method for stool collection in digestibility tests in pirarucu. In the first trial, juvenile fish (435.26 ± 10.80 g) received the reference diet with chromium oxide to determine the gastrointestinal transit time (GITT). In the second, the fish were fed the reference and two test diets (corn and soybean meal) for 15 days. The apparent dry matter, protein and phosphorus digestibility coefficients (ADC) were determined to verify the time of acclimatization to the experimental diets. The stool pattern was visually analysed on day 5 and 10 of acclimatization. The third trial evaluated the maximum stool collection time for reduced nutrient leaching 30 min, 1, 6 and 12 h after evacuation as well as the stool collected directly from the rectum. GITT was 5.5 h. ADC varied during the initial acclimatization and stabilized between days 8 and 10, corroborating a consistent visual pattern on day 10 than on day 5. Nutrient ADC increased with increased stool collection time, except with a 30-min interval, which presented ADC similar to rectum samples. Pirarucu stool must be collected from day 10 for a 30-min interval about 30 min after the second daily meal. |
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Thesagro: |
Digestibilidade; Peixe; Pirarucu. |
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Thesaurus Nal: |
Arapaima gigas; Chromium; Diet; Digestibility; Gastrointestinal transit. |
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Categoria do assunto: |
L Ciência Animal e Produtos de Origem Animal |
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Marc: |
LEADER 02098naa a2200289 a 4500
001 2136508
005 2022-02-15
008 2022 bl uuuu u00u1 u #d
022 $a1365-2109
024 7 $ahttps://doi.org/10.1111/are.15680$2DOI
100 1 $aRAMOS, A. M. J.
245 $aOptimizing methodological aspects of stool collection by sedimentation in digestibility studies with pirarucu (Arapaima gigas).$h[electronic resource]
260 $c2022
520 $aThis study aimed at optimizing the sedimentation method for stool collection in digestibility tests in pirarucu. In the first trial, juvenile fish (435.26 ± 10.80 g) received the reference diet with chromium oxide to determine the gastrointestinal transit time (GITT). In the second, the fish were fed the reference and two test diets (corn and soybean meal) for 15 days. The apparent dry matter, protein and phosphorus digestibility coefficients (ADC) were determined to verify the time of acclimatization to the experimental diets. The stool pattern was visually analysed on day 5 and 10 of acclimatization. The third trial evaluated the maximum stool collection time for reduced nutrient leaching 30 min, 1, 6 and 12 h after evacuation as well as the stool collected directly from the rectum. GITT was 5.5 h. ADC varied during the initial acclimatization and stabilized between days 8 and 10, corroborating a consistent visual pattern on day 10 than on day 5. Nutrient ADC increased with increased stool collection time, except with a 30-min interval, which presented ADC similar to rectum samples. Pirarucu stool must be collected from day 10 for a 30-min interval about 30 min after the second daily meal.
650 $aArapaima gigas
650 $aChromium
650 $aDiet
650 $aDigestibility
650 $aGastrointestinal transit
650 $aDigestibilidade
650 $aPeixe
650 $aPirarucu
700 1 $aFRACALOSSI, D. M.
700 1 $aFREITAS, L. E. L. de
700 1 $aSANTOS, V. R. V. dos
700 1 $aRODRIGUES, A. P. O.
773 $tAquaculture Research$gv. 53, n. 4, p. 1456-1467, Mar. 2022.
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Embrapa Pesca e Aquicultura (CNPASA) |
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