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  • International Journal of Agriculture and Natural Resources
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Kinetic parameters of ruminai degradation of Marandu grass silage supplemented with brewer’s grain

Author
Ferreira,Daniele de J

Zanine,Anderson de M

Lana,Rogério de P

de Souza,Alexandre L

Negrão,Fagton M

Geron,Luiz J. V

Parente,Henrique N

Dantas,Carlos C. O

Full text
https://scielo.conicyt.cl/scielo.php?script=sci_arttext&pid=S0718-16202016000100012
Abstract
This study measured the kinetic parameters of the ruminal degradation of the silage of Brachiaria brizantha cv. Marandu. The experiment had a completely randomized design with five treatments and five repetitions; the treatments featured the inclusión of natural brewer&#8217;s grain to Marandu grass silage at levels of 0, 10, 20, 30 and 40%. The regression equation for the degradability of the soluble Fraction A of dry matter showed a linearly increasing pattern (P<0.05) with an addition of 0.19% for each 1% of brewer&#8217;s grain included. The percentage of insoluble potentially degradable fraction (B) of dry matter was reduced linearly (P<0.05). The ruminal degradation rate in the dry matter (c), expressed as % h-1, increased linearly (P<0.05). The crude protein percentage in the Fraction B demonstrated a linear regression pattern as brewer&#8217;s grains were added (P<0.05), and there was a 0.06% reduction per unit of additive to Marandu grass silage. There was a linear increase in degradation rate c in the crude protein (P<0.05) as the additive was included in the silage. A linear increase (P<0.05) was observed for the regression of the potentially degradable fraction of NDF, represented by Fraction D. The inclusion of 20% of brewer&#8217;s grain to Marandu grass silage resulted in an improvement in the kinetic parameters of ruminal degradation.
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Artes, Arquitectura y UrbanismoCiencias Agrarias, Forestales y VeterinariasCiencias Exactas y NaturalesCiencias SocialesDerechoEconomía y AdministraciónFilosofía y HumanidadesIngenieríaMedicinaMultidisciplinarias
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Universidad de ChileUniversidad Católica de ChileUniversidad de Santiago de ChileUniversidad de ConcepciónUniversidad Austral de ChileUniversidad Católica de ValparaísoUniversidad del Bio BioUniversidad de ValparaísoUniversidad Católica del Nortemore

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