2010
DOI: 10.1590/s1516-35982010001300052
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Scientific progress in ruminant production in the 1st decade of the XXI century

Abstract: -Scientific advances in nutrition of dairy cows in the first decade of the XXI century have occurred. This paper will review the most common additives fed to transition cows to decrease the incidence of metabolic disorders, which will be discussed separately with emphasis on their mechanisms of action, utilization and efficiency. Some changes on protein Avanços científicos na produção de ruminantes na 1 a década do século XXI RESUMO -Avanços científicos em nutrição de vacas leiteiras têm ocorrido na primeira d… Show more

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Cited by 6 publications
(8 citation statements)
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“…In addition, oxidations of milk with higher concentrations of monounsaturated FA (MUFA) and polyunsaturated fatty acids are greater than that of milk with lower concentrations after three days of storage while there is no difference in oxidation when both milks are fresh (Hedegaard et al, 2006). Therefore, means to decrease ruminal biohydrogenation, which have been studied for many researches in the last decade (Santos et al, 2010), would contribute to increase the transfer of polyunsaturated fatty acids from flaxseed in milk and to modify the physical properties and fatty acid profile of butter.…”
Section: Introductionmentioning
confidence: 99%
“…In addition, oxidations of milk with higher concentrations of monounsaturated FA (MUFA) and polyunsaturated fatty acids are greater than that of milk with lower concentrations after three days of storage while there is no difference in oxidation when both milks are fresh (Hedegaard et al, 2006). Therefore, means to decrease ruminal biohydrogenation, which have been studied for many researches in the last decade (Santos et al, 2010), would contribute to increase the transfer of polyunsaturated fatty acids from flaxseed in milk and to modify the physical properties and fatty acid profile of butter.…”
Section: Introductionmentioning
confidence: 99%
“…Entretanto, os autores concluíram que não basta somente melhorar o valor genético dos animais é necessário aprimorar as condições ambientais para que o animal manifeste seu desempenho máximo. Santos et al (2010) analisaram dados da literatura brasileira que corroboram com as afirmativas de Leão et al (2013) que quanto maior for a produção leiteira, maior a MR. Observou-se nos referidos dados que a produção leiteira responde por 73% das fontes de variação da MR em vacas leiteiras.…”
Section: Resultado E Discussãounclassified
“…Segundo estudos compilados por Santos et al (2010) a qualidade e digestibilidade da foragem são um dos fatores mais crítico para se obter MR superiores a 1,4 dentre os alimentos que compõe a dieta. Para aumentar a produção de leite ou a MR, não basta aumentar o consumo de matéria seca, e sim o de matéria seca digestível.…”
Section: Qualidade E Digestibilidade Da Forragemunclassified
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“…The reductions in MUN levels in diets containing banana peel indicate a higher efficiency in the use of dietary nitrogen and, consequently, lower nitrogen excretion favoring the environment (Santos, Kazama, Kazama, & Petit, 2010). This added to the fact that the by-product when used is not discarded fresh in the environment, characterizes it as having great sustainable potential in the substitution of traditional foods.…”
Section: Resultsmentioning
confidence: 99%