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Registro Completo |
Biblioteca(s): |
Embrapa Caprinos e Ovinos. |
Data corrente: |
10/12/2019 |
Data da última atualização: |
10/12/2019 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Autoria: |
GINDRI, M.; ZILIO, E. M. C.; GUTERRES, A. S.; GINDRI, R. G.; CAMPOS, F. S.; BOMFIM, M. A. D.; GALVANI, D. B.; KOZLOSKI, G. V. |
Afiliação: |
Universidade Federal de Santa Maria (UFSM) - Santa Maria, RS, Brazil; Universidade Federal de Santa Maria (UFSM) - Santa Maria, RS, Brazil; Universidade Federal de Santa Maria (UFSM) - Santa Maria, RS, Brazil; Universidade Federal de Santa Maria (UFSM) - Santa Maria, RS, Brazil; Universidade Federal de Santa Maria (UFSM) - Santa Maria, RS, Brazil; MARCO AURELIO DELMONDES BOMFIM, CNPC; DIEGO BARCELOS GALVANI, CNPC; Universidade Federal de Santa Maria (UFSM) - Santa Maria, RS, Brazil. |
Título: |
Comparison of methods to estimate crude protein and digestible organic matter content of diets ingested by free-ranging sheep. |
Ano de publicação: |
2019 |
Fonte/Imprenta: |
Small Ruminant Research, v. 178, p. 37-42, Sept. 2019. |
DOI: |
https://doi.org/10.1016/j.smallrumres.2019.06.023 |
Idioma: |
Inglês |
Conteúdo: |
Abstract: Nutritional assessment of grazing ruminants, particularly on natural heterogeneous rangelands, remains a challenge for researchers and technicians. The aims of this study were: i) to compare methodologies of herbage sampling to determine crude protein (CP) and digestible organic matter (DOM) contents of ingested herbage and, ii) to evaluate the use of faecal near-infrared reflectance spectroscopy (fNIRS) to estimate those herbage attributes using either sampling procedure. Herbage samples were collected through hand-clipping (HC) or directly from rumen extrusa at the beginning (ExBM) and at the end (ExEM) of the longest daily sheep meal. In addition, DOM content of ingested herbage was also calculated from the amount of N excreted in faeces (FN). The study was conducted throughout thirteen consecutive months with six rumen-cannulated male sheep kept free on a rangeland plot in southern Brazil. Monthly, data on diet CP and DOM contents were collected by either method and related to near-infrared spectra of faeces collected from each respective sheep using the partial least squares method. Crude protein content in herbage ingested by sheep ranged from 108 to 172?g/kg DM and was, on average, lower (P?0.05) in ExEM than in either ExBM or HC samples. Digestible organic matter content of ingested herbage, estimated through rumen in situ incubations, ranged from 546 to 717?g/kg DM and was, on average, similar for ExBM, ExEM, and HC samples. However, when this variable was estimated through the FN approach, values ranged from 446 to 601?g/kg DM and were, on average, lower (P < 0.05) than those found through other methods. The fNIRS models based on data obtained through extrusa (EX) and HC procedures produced similar and reliable results for estimating CP of herbage ingested by sheep, whereas the FN approach yielded the best fNIRS model for estimating DOM content of herbage. MenosAbstract: Nutritional assessment of grazing ruminants, particularly on natural heterogeneous rangelands, remains a challenge for researchers and technicians. The aims of this study were: i) to compare methodologies of herbage sampling to determine crude protein (CP) and digestible organic matter (DOM) contents of ingested herbage and, ii) to evaluate the use of faecal near-infrared reflectance spectroscopy (fNIRS) to estimate those herbage attributes using either sampling procedure. Herbage samples were collected through hand-clipping (HC) or directly from rumen extrusa at the beginning (ExBM) and at the end (ExEM) of the longest daily sheep meal. In addition, DOM content of ingested herbage was also calculated from the amount of N excreted in faeces (FN). The study was conducted throughout thirteen consecutive months with six rumen-cannulated male sheep kept free on a rangeland plot in southern Brazil. Monthly, data on diet CP and DOM contents were collected by either method and related to near-infrared spectra of faeces collected from each respective sheep using the partial least squares method. Crude protein content in herbage ingested by sheep ranged from 108 to 172?g/kg DM and was, on average, lower (P?0.05) in ExEM than in either ExBM or HC samples. Digestible organic matter content of ingested herbage, estimated through rumen in situ incubations, ranged from 546 to 717?g/kg DM and was, on average, similar for ExBM, ExEM, and HC samples. However, when this variable w... Mostrar Tudo |
Palavras-Chave: |
Faecal NIRS; Natural pasture. |
Thesaurus Nal: |
Nutritive value; Rangelands; Sheep. |
Categoria do assunto: |
-- |
Marc: |
LEADER 02770naa a2200277 a 4500 001 2116514 005 2019-12-10 008 2019 bl uuuu u00u1 u #d 024 7 $ahttps://doi.org/10.1016/j.smallrumres.2019.06.023$2DOI 100 1 $aGINDRI, M. 245 $aComparison of methods to estimate crude protein and digestible organic matter content of diets ingested by free-ranging sheep.$h[electronic resource] 260 $c2019 520 $aAbstract: Nutritional assessment of grazing ruminants, particularly on natural heterogeneous rangelands, remains a challenge for researchers and technicians. The aims of this study were: i) to compare methodologies of herbage sampling to determine crude protein (CP) and digestible organic matter (DOM) contents of ingested herbage and, ii) to evaluate the use of faecal near-infrared reflectance spectroscopy (fNIRS) to estimate those herbage attributes using either sampling procedure. Herbage samples were collected through hand-clipping (HC) or directly from rumen extrusa at the beginning (ExBM) and at the end (ExEM) of the longest daily sheep meal. In addition, DOM content of ingested herbage was also calculated from the amount of N excreted in faeces (FN). The study was conducted throughout thirteen consecutive months with six rumen-cannulated male sheep kept free on a rangeland plot in southern Brazil. Monthly, data on diet CP and DOM contents were collected by either method and related to near-infrared spectra of faeces collected from each respective sheep using the partial least squares method. Crude protein content in herbage ingested by sheep ranged from 108 to 172?g/kg DM and was, on average, lower (P?<?0.05) in ExEM than in either ExBM or HC samples. Digestible organic matter content of ingested herbage, estimated through rumen in situ incubations, ranged from 546 to 717?g/kg DM and was, on average, similar for ExBM, ExEM, and HC samples. However, when this variable was estimated through the FN approach, values ranged from 446 to 601?g/kg DM and were, on average, lower (P < 0.05) than those found through other methods. The fNIRS models based on data obtained through extrusa (EX) and HC procedures produced similar and reliable results for estimating CP of herbage ingested by sheep, whereas the FN approach yielded the best fNIRS model for estimating DOM content of herbage. 650 $aNutritive value 650 $aRangelands 650 $aSheep 653 $aFaecal NIRS 653 $aNatural pasture 700 1 $aZILIO, E. M. C. 700 1 $aGUTERRES, A. S. 700 1 $aGINDRI, R. G. 700 1 $aCAMPOS, F. S. 700 1 $aBOMFIM, M. A. D. 700 1 $aGALVANI, D. B. 700 1 $aKOZLOSKI, G. V. 773 $tSmall Ruminant Research$gv. 178, p. 37-42, Sept. 2019.
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Registro original: |
Embrapa Caprinos e Ovinos (CNPC) |
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Registros recuperados : 12 | |
2. | | RAISER, A. G.; POLYDORO, A. da S.; KOZLOSKI, G. V.; NATALINI, C. C. Técnica operatória de fistulação do duodeno proximal em terneiros. Pesquisa Agropecuária Brasileira, Brasília, DF, v. 32, n. 7, p. 747-751, jul. 1997. Título em inglês: Surgical cannulation of proximal duodenum its steers.Biblioteca(s): Embrapa Unidades Centrais. |
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3. | | MAIXNER, A. R.; QUADROS, F. L. F. de; KOZLOSKI, G. V.; MONTARDO, D. P.; ROSSI, G. E.; AURÉLIO, N. D. Consumo de forragem e desempenho de vacas Holandesas sob pastejo em gramíneas tropicais. Acta Scientiarum, Animal Sciences, Maringá, v. 29, n. 3, p. 241-248, 2007.Tipo: Artigo em Periódico Indexado | Circulação/Nível: Nacional - A |
Biblioteca(s): Embrapa Pecuária Sul. |
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4. | | KOZLOSKI, G. V.; ZILIO, E. M. C.; ONGARATTO, F.; LONGO, T. R.; OLIVEIRA, L. de; GENRO, T. C. M. Fecal N excretion as an approach to estimate forage intake by sheep and cattle. In: REUNIÃO ANUAL DA SOCIEDADE BRASILEIRA DE ZOOTECNIA, 53., 2016, Gramado. Produção animal para as novas gerações: anais. Viçosa, MG: Sociedade Brasileira de Zootecnia, 2016.Tipo: Resumo em Anais de Congresso |
Biblioteca(s): Embrapa Pecuária Sul. |
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5. | | KOZLOSKI, G. V.; MESQUITA, F. R.; ALVES, T. P.; STEFANELLO, C. M.; OLIVEIRA, L. de; GENRO, T. C. M. Evaluation of acid detergent fibre, sulphuric acid lignin and n-alkanes as markers for estimating ruminal digestibility in cattle. In: INTERNATIONAL GRASSLAND CONGRESS, 22., 2013, Sidney. Revitalising grasslands to sustain our communities: proceedings. New South Wales: MCI Australia, 2013. p. 674-675. Editors David L. Michalk, Geoffrey D. Millar, Warwick B. Badgery, Kim M. Broadfoot.Tipo: Artigo em Anais de Congresso |
Biblioteca(s): Embrapa Pecuária Sul. |
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6. | | GINDRI, M.; ZILIO, E. M. C.; GUTERRES, A. S.; GINDRI, R. G.; CAMPOS, F. S.; BOMFIM, M. A. D.; GALVANI, D. B.; KOZLOSKI, G. V. Comparison of methods to estimate crude protein and digestible organic matter content of diets ingested by free-ranging sheep. Small Ruminant Research, v. 178, p. 37-42, Sept. 2019.Tipo: Artigo em Periódico Indexado | Circulação/Nível: A - 2 |
Biblioteca(s): Embrapa Caprinos e Ovinos. |
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8. | | KOZLOSKI, G. V.; STEFANELLO, C. M.; MESQUITA, F. R.; ALVES, T. P.; RIBEIRO FILHO, H. M. N.; ALMEIDA, J. G. R.; GENRO, T. C. M. Evaluation of markers for estimating duodenal digesta flow and ruminal digestibility: acid detergent fiber, sulfuric acid detergent lignin, and n-alkanes. Journal of Dairy Science, New York, v. 97, n. 3, p. 1730-1735, Mar. 2014.Tipo: Nota Técnica/Nota Científica |
Biblioteca(s): Embrapa Pecuária Sul. |
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9. | | KOZLOSKI, G. V.; ZILIO, E. M. C; ONGARATO, F.; KUINCHTNER, B. C.; SACCOL, A. G.; GENRO, T. C. M.; OLIVEIRA, L.; FARIA, B. M.; CEZIMBRA, I. M.; QUADROS, F. L. F. Faecal N excretion as an approach for estimating organic matter intake by free-ranging sheep and cattle. Journal of Agricultural Science, v. 156, n. 3, p. 443-449, Apr. 2018.Tipo: Artigo em Periódico Indexado | Circulação/Nível: A - 2 |
Biblioteca(s): Embrapa Pecuária Sul. |
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10. | | HASSUM, I. C.; BENAVIDES, M. V.; SOUSA, C. J. H. de; GONÇALVES, M. B. F.; LEITZKE, N.; GOSMANN, G.; KOZLOSKI, G.; VIEIRA, L. da S.; BERNE, M. E. A.; LONDERO, G. F.; COMUNELLO, L. N. Resíduo da agroindústria vitivinícola como nutracêutico no controle da verminose ovina. In: CONGRESSO BRASILEIRO DE PARASITOLOGIA VETERINÁRIA, 17., 2012, São Luis. Parasitologia veterinária, bem estar e produção animal: anais. São Luis: Colégio Brasileiro de Parasitologia Veterinária, 2012. p. 102. Resumo PH 050.Tipo: Resumo em Anais de Congresso |
Biblioteca(s): Embrapa Caprinos e Ovinos. |
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11. | | MAIXNER, A. R.; QUADROS, F. L. F.; MONTARDO, D. P.; KOZLOSKI, G. V.; NORONHA, A.; AURÉLIO, N. D.; ROSSI, G. E.; DANIEL, E.; BRUM, M. S.; BANDINELLI, D. G. Desempenho animal e produtividade de pastagens tropicais no noroeste do Rio Grande do Sul. Arquivo Brasileiro de Medicina Veterinária e Zootecnia, Belo Horizonte, v. 61, n. 4, p. 927-934, ago. 2009.Tipo: Artigo em Periódico Indexado | Circulação/Nível: B - 1 |
Biblioteca(s): Embrapa Pecuária Sul. |
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12. | | HASSUM, I. C.; SOUZA, C. J. H. de; BENAVIDES, M. V.; PINHEIRO, A. da C.; GOSMANN, G.; KOZLOSKI, G. V.; GENRO, T. C. M.; GONÇALVES, M. B. F.; BERNE, M. E. A.; VIEIRA, L. da S.; ZAROS, L. G.; RAOTA, A. T. Uso de resíduo taninífero proveniente de processo agroindustrial na verminose ovina. In: SIMPÓSIO EMBRAPA LABEX DE SANIDADE ANIMAL, 1., 2009, Campo Grande. Anais... Campo Grande: Embrapa Gado de Corte, 2009. 1 CD-ROM.Tipo: Resumo em Anais de Congresso |
Biblioteca(s): Embrapa Pecuária Sul. |
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Registros recuperados : 12 | |
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