Effect of tanniferous plants on in vitro digestion and methane production

Raafat Mahmoud Mohamed Gomaa, Manuel González-Ronquillo, Jorge Arredondo-Ramos, Octavio Alonso Castelán Ortega, Luisa T. Molina

Resumen


It has been shown that tannins in the foliage of trees and shrubs can reduce methane (CH4) production in the rumen. The aim of the present paper was to evaluate the potential of ve tanniferous browse plant species, native to temperate central Mexico, to reduce in vitro methane production. The in vitro gas production technique and gas chromatography were used to evaluate the e ect of the inclusion of these plants at three inclusion levels (10, 20 and 30 %) in an experimental diet. A factorial experimental arrangement with the ve plant species and four levels of inclusion was used. Gas production was monitored throughout 72 h of incubation and methane production was recorded after 24 h. The results showed that a signi cant decrease in methane production was observed with all plants at 10 % inclusion level (p < 0.001), and that the highest reduction (> 26 %) was observed with Amaranthus spinosus and Commelina coelestis at 20 % and 30 % inclusion respectively in comparison to the control diet. However, the digestibility of the experimental diet declined at these inclusion levels. It was concluded that all the tested plants reduced methane production at all inclusion levels; however, the best tradeo between methane reduction and tannins' associated negative e ects on diet digestibility was achieved at the 10 % inclusion level. 

 


Palabras clave


Plant phenolics; Tannins; In vitro gas production; Methane emission.

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DOI: http://dx.doi.org/10.19136/era.a4n11.1160

ECOSISTEMAS Y RECURSOS AGROPECUARIOS, Año 4, No. 11, mayo-agosto 2017, es una Publicación cuatrimestral editada, publicada y distribuida por la Universidad Juárez Autónoma de Tabasco, Av. Universidad s/n, Zona de la Cultura, Col. Magisterial, Villahermosa, Centro, Tabasco, CP. 86040, Tel (993) 358 15 00, www.ujat.mx, era@ujat.mx. Editor responsable: Efraín de la Cruz Lázaro. Reservas de Derechos al Uso Exclusivo No. 04-2013-120514213600-203, ISSN: 2007-901X, ambos otorgados por el Instituto Nacional del Derecho de Autor. Con certificado de licitud de titulo y contenido No. 16540 otorgado por la Scretaría de Gobernación. Responsable de la última actualización de este Número, Asistente Editorial de la Revista Lic. Misael Hernández Martínez, Av. Universidad s/n, Zona de la Cultura, Col. Magisterial, Vhsa, Centro, Tabasco, Mex. C.P. 86040, fecha de última modificación, 28 de abril de 2017.

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