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Título

Efecto de la adición de aceites vegetales al sustrato de fermentación sobre las comunidades de bacterias ruminales en cultivos continuos (Rusitec)

Otros títulosEffects of the addition of vegetable oils to feed on rumen bacteria communities in continuous cultures (Rusitec)
AutorVargas, J. E.; Andrés, Sonia CSIC ORCID ; Yáñez Ruiz, David R. CSIC ORCID; López, Secundino CSIC ORCID
Palabras claveRumen bacteria
Rumen fermentation
Vegetable oil
T-RFLP
Rusitec
Fecha de publicación2009
EditorAsociación Interprofesional para el Desarrollo Agrario
CitaciónXIII Jornadas sobre Producción Animal (AIDA), Tomo II : 775-777 (2009)
ResumenThe objective of this work was to investigate the effects of the addition of vegetable oils to the feed on ruminal bacteria communities in continuous cultures of mixed ruminal microorganisms. Rusitec vessels were fed a total mixed ration, without oil supplement (control) or with the addition of one vegetable oil (olive, sunflower or linseed oils). Fermentation was maintained in the cultures for three weeks, samples of digesta were collected and bacterial DNA was extracted for studies of microbial diversity using the T-RFLP method. Experimental treatments were significantly clustered from the T-RFLP profiles, so that unsupplemented cultures were clearly differentiated. Using fragment size libraries for a most probable identification of peaks recorded differences between control and supplemented cultures could be established. It was concluded that oil supplementation had a significant and selective effect on ruminal bacteria communities.
Descripción3 páginas, 1 tabla.-- Trabajo presentado a las XIII Jornadas de Producción Animal AIDA (Zaragoza, 12 y 13 de mayo, 2009)
Versión del editorhttp://www.aida-itea.org/index.php/jornadas/jornadas-anteriores
URIhttp://hdl.handle.net/10261/62543
ISSN1130-6009
Aparece en las colecciones: (IGM) Comunicaciones congresos




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