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16. | | MERCÊS, E. da S.; SIQUEIRA, K. B.; GAMA, M. A. S. da. Percepção dos consumidores de Juiz de Fora-MG quanto à possível oferta de leite funcional com elevado teor de ácido linoleico conjugado (CLA). In: CONGRESSO INTERNACIONAL DO LEITE, 12.; WORKSHOP DE POLÍTICAS PÚBLICAS, 12.; SIMPÓSIO DE SUSTENTABILIDADE DA ATIVIDADE LEITEIRA, 13., 2013, Porto Velho. Anais... Brasília, DF: Embrapa, 2013. 3 p. 1 CD-ROM. Biblioteca(s): Embrapa Gado de Leite. |
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Registro Completo
Biblioteca(s): |
Embrapa Gado de Leite. |
Data corrente: |
16/08/2019 |
Data da última atualização: |
06/02/2024 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Circulação/Nível: |
B - 1 |
Autoria: |
GUZATTI, G. C.; DUCHINI, P. G.; GAMA, M. A. S. da; RIBEIRO-FILHO, H. M. N. |
Afiliação: |
Gabriela C. Guzatti, UESC; Paulo G. Duchini, UESC; MARCO ANTONIO SUNDFELD DA GAMA, CNPGL; Henrique M. N. Ribeiro Filho, UESC. |
Título: |
Red clover silage improves milk fatty acid composition in dairy ewes. |
Ano de publicação: |
2019 |
Fonte/Imprenta: |
Canadian Journal of Animal Science, v. 98, n. 4, p. 787-793, 2019. |
Idioma: |
Inglês |
Conteúdo: |
ABSTRACT The purpose of this study was to evaluate the effects of two isoproteic total mixed rations (TMRs) containing either red clover (Trifolium pratense L.; RC diet) or lucerne (Medicago sativa L.; LU diet) silage as the major forage source on milk yield, milk composition, and milk fatty acid (FA) profile in dairy ewes. Sixteen dairy ewes were housed individually to receive the drawn diet (eight ewes eating each diet) and milked twice a day (0700 and 1500 h). Total dry matter intake, milk yield, milk composition and N use efficiency were unaffected by treatments. The n-6/n-3 FA ratio tended to decrease, while the total polyunsaturated fatty acids (PUFAs) and PUFAs/saturated fatty acids (SFAs) ratio increased in the milk fat of ewes fed the RC diet compared to ewes fed the LU diet. The presence of α-linolenic (C18:3 n-3) and linoleic (C18:2 n-6) acids in the milk fat was 22% higher in ewes fed the RC diet than in those fed the LU diet. Compared to the LU diet, the red clover diet had no effect on milk yield and composition, but improved the milk fatty acid profile in dairy ewes due to an increased proportion of PUFAs (in particular C18:3 n-3 and, to a lesser extent, C18:2 n-6) and a decreased n-6/n-3 FA ratio. |
Palavras-Chave: |
Fatty acid. |
Thesaurus NAL: |
Ewes; Forage; Milk. |
Categoria do assunto: |
-- |
Marc: |
LEADER 01817naa a2200205 a 4500 001 2111414 005 2024-02-06 008 2019 bl uuuu u00u1 u #d 100 1 $aGUZATTI, G. C. 245 $aRed clover silage improves milk fatty acid composition in dairy ewes.$h[electronic resource] 260 $c2019 520 $aABSTRACT The purpose of this study was to evaluate the effects of two isoproteic total mixed rations (TMRs) containing either red clover (Trifolium pratense L.; RC diet) or lucerne (Medicago sativa L.; LU diet) silage as the major forage source on milk yield, milk composition, and milk fatty acid (FA) profile in dairy ewes. Sixteen dairy ewes were housed individually to receive the drawn diet (eight ewes eating each diet) and milked twice a day (0700 and 1500 h). Total dry matter intake, milk yield, milk composition and N use efficiency were unaffected by treatments. The n-6/n-3 FA ratio tended to decrease, while the total polyunsaturated fatty acids (PUFAs) and PUFAs/saturated fatty acids (SFAs) ratio increased in the milk fat of ewes fed the RC diet compared to ewes fed the LU diet. The presence of α-linolenic (C18:3 n-3) and linoleic (C18:2 n-6) acids in the milk fat was 22% higher in ewes fed the RC diet than in those fed the LU diet. Compared to the LU diet, the red clover diet had no effect on milk yield and composition, but improved the milk fatty acid profile in dairy ewes due to an increased proportion of PUFAs (in particular C18:3 n-3 and, to a lesser extent, C18:2 n-6) and a decreased n-6/n-3 FA ratio. 650 $aEwes 650 $aForage 650 $aMilk 653 $aFatty acid 700 1 $aDUCHINI, P. G. 700 1 $aGAMA, M. A. S. da 700 1 $aRIBEIRO-FILHO, H. M. N. 773 $tCanadian Journal of Animal Science$gv. 98, n. 4, p. 787-793, 2019.
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