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| 2. |  | AZEVEDO, W. R. de; FAQUIN, V.; MOREIRA, F. M. de S.; OLIVEIRA JÚNIOR, A. C. de; LISBOA, C. C. Efeito do boro na nodulação da ervilha cultivada em solos de várzea. Pesquisa Agropecuária Brasileira, Brasília, DF, v. 37, n. 8, p. 1137-1143, ago. 2002 Título em inglês: Boron effects on nodule development in pea plants cultivated in lowland soils.| Biblioteca(s): Embrapa Unidades Centrais. |
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 | Acesso ao texto completo restrito à biblioteca da Embrapa Caprinos e Ovinos. Para informações adicionais entre em contato com cnpc.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Caprinos e Ovinos. |
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Data corrente: |
19/03/2020 |
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Data da última atualização: |
19/03/2020 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
A - 2 |
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Autoria: |
COSTA, M. C. M. da; ITAVO, L. C. V.; ITAVO, C. C. B. F.; DIAS, A. M.; PETIT, H. V.; REIS, F. A.; GOMES, R. C.; LEAL, E. S.; NIWA, M. V. G.; MORAES, G. J. de. |
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Afiliação: |
MARLOVA CRISTINA MIOTO DA COSTA, Universidade Federal do Mato Grosso do Sul (UFMS) - Campo Grande, MS, Brazil; Universidade Federal do Mato Grosso do Sul (UFMS) - Campo Grande, MS, Brazil; Universidade Federal do Mato Grosso do Sul (UFMS) - Campo Grande, MS, Brazil; Universidade Federal do Mato Grosso do Sul (UFMS) - Campo Grande, MS, Brazil; Agriculture and Agri-Food Canada, Sherbrooke Research and Development Centre, Sherbrooke, QC, Canada; FERNANDO ALVARENGA REIS, CNPC; Universidade Federal do Mato Grosso do Sul (UFMS) - Campo Grande, MS, Brazil; Universidade Federal do Mato Grosso do Sul (UFMS) - Campo Grande, MS, Brazil; Universidade Federal do Mato Grosso do Sul (UFMS) - Campo Grande, MS, Brazil; Universidade Federal do Mato Grosso do Sul (UFMS) - Campo Grande, MS, Brazil. |
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Título: |
Evaluation of internal and external markers to estimate faecal output and feed intake in sheep fed fresh forage. |
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Ano de publicação: |
2018 |
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Fonte/Imprenta: |
Animal Production Science, v. 59, n. 4, p. 741-748, 2018. |
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DOI: |
https://doi.org/10.1071/AN16567 |
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Idioma: |
Inglês |
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Conteúdo: |
Abstract: The objectives of the present study were to estimate dry-matter intake and output of faeces using two external and four internal markers in sheep fed Brachiaria brizantha cv. Marandu on an ad libitum basis over 3- and 5-day periods. Six sheep fitted with ruminal cannulas were randomly assigned in a crossover design experiment to receive either of two treatments of external markers, namely titanium dioxide (TiO2) and chromic oxide (Cr2O3). Faecal output was obtained by total faecal collection and faecal grab sampling. Faeces were collected for 3- or 5-day periods, and, for each collection period, two sampling methods were compared; grab samples were collected directly in the rectum once daily, and a second sample was taken at the same time directly in faecal collection bags after having determined the daily total output of faeces. Faecal concentrations of the internal markers, indigestible dry matter, indigestible neutral detergent fibre, indigestible acid detergent fibre and indigestible acid detergent lignin (iADL), were determined. Faecal output was not accurately predicted with indigestible dry matter, indigestible neutral detergent fibre, indigestible acid detergent fibre and iADL. Dry-matter intake was predicted with iADL and TiO2 when faeces were collected for 5 days as grab samples once daily, or as total collection and with Cr2O3 when faecal grab samples were collected for 5 days. The results using external markers indicated that TiO2 is not a marker equivalent to Cr2O3 for estimating intake and faecal output. TiO2 was the only external marker to accurately estimate faecal output, independent of the method (total or grab) and time period (3 or 5 days) used; this suggests that TiO2 is the best marker tested for predicting the faecal output of sheep that are fed a diet of fresh Brachiaria brizantha (cv. Marandu) grass ad libitum. MenosAbstract: The objectives of the present study were to estimate dry-matter intake and output of faeces using two external and four internal markers in sheep fed Brachiaria brizantha cv. Marandu on an ad libitum basis over 3- and 5-day periods. Six sheep fitted with ruminal cannulas were randomly assigned in a crossover design experiment to receive either of two treatments of external markers, namely titanium dioxide (TiO2) and chromic oxide (Cr2O3). Faecal output was obtained by total faecal collection and faecal grab sampling. Faeces were collected for 3- or 5-day periods, and, for each collection period, two sampling methods were compared; grab samples were collected directly in the rectum once daily, and a second sample was taken at the same time directly in faecal collection bags after having determined the daily total output of faeces. Faecal concentrations of the internal markers, indigestible dry matter, indigestible neutral detergent fibre, indigestible acid detergent fibre and indigestible acid detergent lignin (iADL), were determined. Faecal output was not accurately predicted with indigestible dry matter, indigestible neutral detergent fibre, indigestible acid detergent fibre and iADL. Dry-matter intake was predicted with iADL and TiO2 when faeces were collected for 5 days as grab samples once daily, or as total collection and with Cr2O3 when faecal grab samples were collected for 5 days. The results using external markers indicated that TiO2 is not a marker equiva... Mostrar Tudo |
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Palavras-Chave: |
Indigestible acid detergent lignin; Indigestible dry matter; Indigestible fibre. |
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Thesaurus NAL: |
Chromic oxide; Ewes; Feed intake; Nutrient intake; Ruminant nutrition; Sheep feeding; Titanium dioxide. |
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Categoria do assunto: |
L Ciência Animal e Produtos de Origem Animal |
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Marc: |
LEADER 02959naa a2200361 a 4500
001 2121321
005 2020-03-19
008 2018 bl uuuu u00u1 u #d
024 7 $ahttps://doi.org/10.1071/AN16567$2DOI
100 1 $aCOSTA, M. C. M. da
245 $aEvaluation of internal and external markers to estimate faecal output and feed intake in sheep fed fresh forage.$h[electronic resource]
260 $c2018
520 $aAbstract: The objectives of the present study were to estimate dry-matter intake and output of faeces using two external and four internal markers in sheep fed Brachiaria brizantha cv. Marandu on an ad libitum basis over 3- and 5-day periods. Six sheep fitted with ruminal cannulas were randomly assigned in a crossover design experiment to receive either of two treatments of external markers, namely titanium dioxide (TiO2) and chromic oxide (Cr2O3). Faecal output was obtained by total faecal collection and faecal grab sampling. Faeces were collected for 3- or 5-day periods, and, for each collection period, two sampling methods were compared; grab samples were collected directly in the rectum once daily, and a second sample was taken at the same time directly in faecal collection bags after having determined the daily total output of faeces. Faecal concentrations of the internal markers, indigestible dry matter, indigestible neutral detergent fibre, indigestible acid detergent fibre and indigestible acid detergent lignin (iADL), were determined. Faecal output was not accurately predicted with indigestible dry matter, indigestible neutral detergent fibre, indigestible acid detergent fibre and iADL. Dry-matter intake was predicted with iADL and TiO2 when faeces were collected for 5 days as grab samples once daily, or as total collection and with Cr2O3 when faecal grab samples were collected for 5 days. The results using external markers indicated that TiO2 is not a marker equivalent to Cr2O3 for estimating intake and faecal output. TiO2 was the only external marker to accurately estimate faecal output, independent of the method (total or grab) and time period (3 or 5 days) used; this suggests that TiO2 is the best marker tested for predicting the faecal output of sheep that are fed a diet of fresh Brachiaria brizantha (cv. Marandu) grass ad libitum.
650 $aChromic oxide
650 $aEwes
650 $aFeed intake
650 $aNutrient intake
650 $aRuminant nutrition
650 $aSheep feeding
650 $aTitanium dioxide
653 $aIndigestible acid detergent lignin
653 $aIndigestible dry matter
653 $aIndigestible fibre
700 1 $aITAVO, L. C. V.
700 1 $aITAVO, C. C. B. F.
700 1 $aDIAS, A. M.
700 1 $aPETIT, H. V.
700 1 $aREIS, F. A.
700 1 $aGOMES, R. C.
700 1 $aLEAL, E. S.
700 1 $aNIWA, M. V. G.
700 1 $aMORAES, G. J. de
773 $tAnimal Production Science$gv. 59, n. 4, p. 741-748, 2018.
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