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| 7. |  | PETRY, H. B.; SILVEIRA, V. H.; MAZURANA, M.; ZULPO, L.; SCHWARZ, S. F.; LEVIEN, R. Atributos físicos de um argissolo espessarênico com cultivo de citros manejados em sistemas orgânico e convencional. In: CONGRESO ARGENTINO DE HORTICULTURA, 37., 2014, Mendoza. Resúmenes... Mendoza: ASAHO, 2014. p. 84| Biblioteca(s): Epagri-Sede. |
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Registro Completo
|
Biblioteca(s): |
Epagri-Sede. |
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Data corrente: |
09/03/2015 |
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Data da última atualização: |
09/03/2015 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
Nacional - B |
|
Autoria: |
van CLEEF, E. H. C. B.; EZEQUIEL, J. M. B.; D'AUREA, A. P.; FAVARO, V. R.; SANCANARI, J. B. D. |
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Título: |
Crude glycerin in diets for feedlot Nellore cattle. |
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Ano de publicação: |
2014 |
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Fonte/Imprenta: |
Revista Brasileira de Zootecnia, Brasilia, DF, v. 43, n. 2, p. 86-91, 2014. |
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Idioma: |
Inglês |
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Conteúdo: |
Two studies were conducted to evaluate the effects of crude glycerin on feed intake, performance, carcass
characteristics, and total digestibility of Nellore bulls. In experiment 1, cattle (n = 30) were fed a control diet without crude
glycerin and diets containing 7.5, 15, 22.5, and 30% crude glycerin, for 103 d. Animals were harvested and data of carcass
characteristics were collected. In experiment 2, a digestibility trial was performed using indigestible acid detergent fiber (iADF)
as internal marker, and five rumen-cannulated steers. Both experiments were conducted as a randomized complete block design
and data were analyzed using mixed procedures. In experiment 1 no differences were observed among treatments on dry matter
intake, and performance variables. Regarding carcass characteristics, no effect was observed, except for carcass fat estimates,
which were greater in treatments with crude glycerin. In experiment 2, crude glycerin promoted a decrease in digestibility
of fibrous fractions NDF and HEM, and increased digestibility of crude protein by 6%. Although it caused negative effect
on digestibility of fibrous fraction of diets, crude glycerin can be a good energy source for Nellore bulls, since no losses are
observed on performance and carcass characteristics when animals are fed up to 30% of this by-product. |
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Palavras-Chave: |
beef cattle; by-products; carcass; digestion; glycerol. |
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Categoria do assunto: |
L Ciência Animal e Produtos de Origem Animal |
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Marc: |
LEADER 01986naa a2200229 a 4500
001 1123242
005 2015-03-09
008 2014 bl uuuu u00u1 u #d
100 1 $avan CLEEF, E. H. C. B.
245 $aCrude glycerin in diets for feedlot Nellore cattle.$h[electronic resource]
260 $c2014
520 $aTwo studies were conducted to evaluate the effects of crude glycerin on feed intake, performance, carcass characteristics, and total digestibility of Nellore bulls. In experiment 1, cattle (n = 30) were fed a control diet without crude glycerin and diets containing 7.5, 15, 22.5, and 30% crude glycerin, for 103 d. Animals were harvested and data of carcass characteristics were collected. In experiment 2, a digestibility trial was performed using indigestible acid detergent fiber (iADF) as internal marker, and five rumen-cannulated steers. Both experiments were conducted as a randomized complete block design and data were analyzed using mixed procedures. In experiment 1 no differences were observed among treatments on dry matter intake, and performance variables. Regarding carcass characteristics, no effect was observed, except for carcass fat estimates, which were greater in treatments with crude glycerin. In experiment 2, crude glycerin promoted a decrease in digestibility of fibrous fractions NDF and HEM, and increased digestibility of crude protein by 6%. Although it caused negative effect on digestibility of fibrous fraction of diets, crude glycerin can be a good energy source for Nellore bulls, since no losses are observed on performance and carcass characteristics when animals are fed up to 30% of this by-product.
653 $abeef cattle
653 $aby-products
653 $acarcass
653 $adigestion
653 $aglycerol
700 1 $aEZEQUIEL, J. M. B.
700 1 $aD'AUREA, A. P.
700 1 $aFAVARO, V. R.
700 1 $aSANCANARI, J. B. D.
773 $tRevista Brasileira de Zootecnia, Brasilia, DF$gv. 43, n. 2, p. 86-91, 2014.
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