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Registro Completo |
Biblioteca(s): |
Embrapa Caprinos e Ovinos. |
Data corrente: |
10/01/2007 |
Data da última atualização: |
11/10/2023 |
Autoria: |
ORTOLANI, E. L.; SOARES, P. C.; BRITO, L. A. B.; DAMASCENO, A. D.; MORI, C. S.; LEAL, M. L.; ANTONELLI, A. C.; RODRIGUES, F. A. M. L. |
Título: |
Estudo histológico e histoquímico de fígado e rins de ovinos intoxicados experimentalmente por cobre e tratados com tetratiomolibdato. |
Ano de publicação: |
2004 |
Fonte/Imprenta: |
In: CONGRESSO BRASILEIRO DE MEDICINA VETERINÁRIA, 31., 2004, São luis. A medicina veterinária no novo milênio: transformação social, preservação ambiental e segurança alimentar: resumos. São Luis, Sociedade Brasileira de Medicina Veterinária, 2004. Seção ciências básicas. 1 CD-ROM. |
Idioma: |
Português |
Thesagro: |
Cobre; Intoxicação Animal; Ovino; Substancia Tóxica. |
Categoria do assunto: |
-- |
Marc: |
LEADER 00990nam a2200229 a 4500 001 1532663 005 2023-10-11 008 2004 bl uuuu u00u1 u #d 100 1 $aORTOLANI, E. L. 245 $aEstudo histológico e histoquímico de fígado e rins de ovinos intoxicados experimentalmente por cobre e tratados com tetratiomolibdato.$h[electronic resource] 260 $aIn: CONGRESSO BRASILEIRO DE MEDICINA VETERINÁRIA, 31., 2004, São luis. A medicina veterinária no novo milênio: transformação social, preservação ambiental e segurança alimentar: resumos. São Luis, Sociedade Brasileira de Medicina Veterinária, 2004. Seção ciências básicas. 1 CD-ROM.$c2004 650 $aCobre 650 $aIntoxicação Animal 650 $aOvino 650 $aSubstancia Tóxica 700 1 $aSOARES, P. C. 700 1 $aBRITO, L. A. B. 700 1 $aDAMASCENO, A. D. 700 1 $aMORI, C. S. 700 1 $aLEAL, M. L. 700 1 $aANTONELLI, A. C. 700 1 $aRODRIGUES, F. A. M. L.
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Embrapa Caprinos e Ovinos (CNPC) |
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Biblioteca(s): |
Embrapa Gado de Leite. |
Data corrente: |
17/08/2021 |
Data da última atualização: |
17/08/2021 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Circulação/Nível: |
B - 1 |
Autoria: |
LOPES, F. C. F.; SOUZA, S. M. de; VALADARES FILHO, S. de C.; GAMA, M. A. S. da; RENNÓ, L. N. |
Afiliação: |
FERNANDO CESAR FERRAZ LOPES, CNPGL; SHIRLEY MOTTA DE SOUZA, Instituto Federal do Sul de Minas Gerais; SEBASTIÃO DE CAMPOS VALADARES FILHO, Universidade Federal de Viçosa; MARCO ANTONIO SUNDFELD DA GAMA, CNPGL; LUCIANA NAVAJAS RENNÓ, Universidade Federal de Viçosa. |
Título: |
Ruminal parameters and fatty acid composition of omasal digesta and milk in cows fed sugarcane-based diets supplemented with sunflower oil. |
Ano de publicação: |
2020 |
Fonte/Imprenta: |
Semina. Ciências Agrárias, v. 41, n. 5, p. 2317-2334, 2020. |
DOI: |
https://doi.org/10.5433/1679-0359.2020v41n5Supl1p2317 |
Idioma: |
Inglês |
Notas: |
Suplemento. |
Conteúdo: |
This study evaluates the intake and digestion of nutrients, parameters of rumen fermentation and degradation, omasal digesta and milk fatty acid composition, productive performance, and the concentration of serum metabolites in cows fed 600 g kg-1 sugarcane-based diets containing 0 (control), 15, 30, and 45 g kg-1 sunflower oil (SO) on a dry matter (DM) basis. Four rumen-cannulated Holstein x Gyr cows yielding 15±5 kg day-1 with 110±10 days in milk were allocated in a 4 x 4 Latin square design. Data were analyzed using mixed models, and significant differences were declared at P<0.05. There was no effect of SO on the intake and apparent digestibility of DM, crude protein, neutral detergent fiber (NDF) and nonfibrous carbohydrates, but there was a linear increase in the intake and digestibility of ether extract. Dietary SO levels did not alter the ruminal degradability parameters for DM and NDF, rumen pH and contents of ammonia N, acetate, propionate and volatile fatty acids. Milk fat content and yield were linearly decreased, whereas a linear increase in milk protein content was observed in response to increasing levels of SO, but with no effect on milk yield. Linear reductions in palmitic and α-linolenic acid contents, a linear increase in trans-10 C18:1 and elaidic acids, and a quadratic effect on vaccenic and rumenic acids were observed in omasal digesta of cows fed increasing levels of SO. Overall, up to 45 g kg-1 SO can be included on DM of chopped sugarcane-based diets without reducing consumption, apparent digestibility and rumen degradability of DM and fiber. Supplementing chopped sugarcanebased diets with 30 to 45 g kg-1 SO (DM basis) promotes milk fat depression due to the inhibition of mammary lipogenesis by specific rumen-derived fatty acid intermediates of the biohydrogenation of unsaturated C18 fatty acids. The inclusion of 15 to 45 g kg-1 SO in chopped sugarcane-based diets improves the nutritional quality of milk fat, with increases in the levels of oleic, vaccenic and rumenic acids, beneficial to human health, and a reduction in the levels of the hypercholesterolemic lauric, myristic and palmitic acids. MenosThis study evaluates the intake and digestion of nutrients, parameters of rumen fermentation and degradation, omasal digesta and milk fatty acid composition, productive performance, and the concentration of serum metabolites in cows fed 600 g kg-1 sugarcane-based diets containing 0 (control), 15, 30, and 45 g kg-1 sunflower oil (SO) on a dry matter (DM) basis. Four rumen-cannulated Holstein x Gyr cows yielding 15±5 kg day-1 with 110±10 days in milk were allocated in a 4 x 4 Latin square design. Data were analyzed using mixed models, and significant differences were declared at P<0.05. There was no effect of SO on the intake and apparent digestibility of DM, crude protein, neutral detergent fiber (NDF) and nonfibrous carbohydrates, but there was a linear increase in the intake and digestibility of ether extract. Dietary SO levels did not alter the ruminal degradability parameters for DM and NDF, rumen pH and contents of ammonia N, acetate, propionate and volatile fatty acids. Milk fat content and yield were linearly decreased, whereas a linear increase in milk protein content was observed in response to increasing levels of SO, but with no effect on milk yield. Linear reductions in palmitic and α-linolenic acid contents, a linear increase in trans-10 C18:1 and elaidic acids, and a quadratic effect on vaccenic and rumenic acids were observed in omasal digesta of cows fed increasing levels of SO. Overall, up to 45 g kg-1 SO can be included on DM of chopped sugarcane-based ... Mostrar Tudo |
Palavras-Chave: |
Ácido rumênico; Ácido vacênico; Rumenic acid. |
Thesagro: |
Ácido Linoléico; Saccharum Officinarum. |
Thesaurus NAL: |
Conjugated linoleic acid; Vaccenic acid. |
Categoria do assunto: |
F Plantas e Produtos de Origem Vegetal |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/225239/1/Ruminal-parameters.pdf
|
Marc: |
LEADER 03094naa a2200277 a 4500 001 2133630 005 2021-08-17 008 2020 bl uuuu u00u1 u #d 024 7 $ahttps://doi.org/10.5433/1679-0359.2020v41n5Supl1p2317$2DOI 100 1 $aLOPES, F. C. F. 245 $aRuminal parameters and fatty acid composition of omasal digesta and milk in cows fed sugarcane-based diets supplemented with sunflower oil.$h[electronic resource] 260 $c2020 500 $aSuplemento. 520 $aThis study evaluates the intake and digestion of nutrients, parameters of rumen fermentation and degradation, omasal digesta and milk fatty acid composition, productive performance, and the concentration of serum metabolites in cows fed 600 g kg-1 sugarcane-based diets containing 0 (control), 15, 30, and 45 g kg-1 sunflower oil (SO) on a dry matter (DM) basis. Four rumen-cannulated Holstein x Gyr cows yielding 15±5 kg day-1 with 110±10 days in milk were allocated in a 4 x 4 Latin square design. Data were analyzed using mixed models, and significant differences were declared at P<0.05. There was no effect of SO on the intake and apparent digestibility of DM, crude protein, neutral detergent fiber (NDF) and nonfibrous carbohydrates, but there was a linear increase in the intake and digestibility of ether extract. Dietary SO levels did not alter the ruminal degradability parameters for DM and NDF, rumen pH and contents of ammonia N, acetate, propionate and volatile fatty acids. Milk fat content and yield were linearly decreased, whereas a linear increase in milk protein content was observed in response to increasing levels of SO, but with no effect on milk yield. Linear reductions in palmitic and α-linolenic acid contents, a linear increase in trans-10 C18:1 and elaidic acids, and a quadratic effect on vaccenic and rumenic acids were observed in omasal digesta of cows fed increasing levels of SO. Overall, up to 45 g kg-1 SO can be included on DM of chopped sugarcane-based diets without reducing consumption, apparent digestibility and rumen degradability of DM and fiber. Supplementing chopped sugarcanebased diets with 30 to 45 g kg-1 SO (DM basis) promotes milk fat depression due to the inhibition of mammary lipogenesis by specific rumen-derived fatty acid intermediates of the biohydrogenation of unsaturated C18 fatty acids. The inclusion of 15 to 45 g kg-1 SO in chopped sugarcane-based diets improves the nutritional quality of milk fat, with increases in the levels of oleic, vaccenic and rumenic acids, beneficial to human health, and a reduction in the levels of the hypercholesterolemic lauric, myristic and palmitic acids. 650 $aConjugated linoleic acid 650 $aVaccenic acid 650 $aÁcido Linoléico 650 $aSaccharum Officinarum 653 $aÁcido rumênico 653 $aÁcido vacênico 653 $aRumenic acid 700 1 $aSOUZA, S. M. de 700 1 $aVALADARES FILHO, S. de C. 700 1 $aGAMA, M. A. S. da 700 1 $aRENNÓ, L. N. 773 $tSemina. Ciências Agrárias$gv. 41, n. 5, p. 2317-2334, 2020.
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