Journal of Agricultural Science and Technology, ( ISI ), Volume (16), No (6), Year (2014-12) , Pages (1543-1554)

Title : ( Effect of Some Plant Essential Oils on In vitro Ruminal Methane Production and on Fermentation Characteristics of a Mid-forage Diet )

Authors: Hossein Jahani Azizabadi , Mohsen Danesh Mesgaran , Seyed Alireza Vakili , K. Rezayazdi ,

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Abstract

The objective of the present study was to investigate the effect of different doses of some 7 natural semi-arid medicinal plants’ essential oils on in vitro ruminal digestion and fermentation patterns of a mid-forage (alfalfa hay: concentrates, 1:1) diet. Treatments consisted of either basal diet alone (control) or added with 35, 70, 140 or 280 μl L-1 of coriander, oregano, caraway, cumin, cinnamon, pistachio hull and thyme essential oils, incubated for 24 hours at 38.7ºC. The essential oils of cinnamon and pistachio applied as 280 μl L-1 and thyme applied at 140 and 280 μl L-1 caused a decrease in DM disappearance as compared with control. Thyme and pistachio essential oils (used at 280 μl L-1) resulted in a decrease of NDF disappearance, while caraway (70 μl L-1) and cumin (140 μl L-1) resulted in an increase in it (14.8% and +18.2%, respectively). Relative to control, the essential oils applied, did not significantly affect the medium N-NH3 concentration (except thyme at 140 and 280 μl L-1), pH (except thyme and cumin essential oils, 6.41 and 6.22 vs. 6.3, respectively), gas produced (except thyme at 280 μl L-1) and Feed Fermentation Efficiency (FFE). Relative to control, addition of all the essential oils resulted in a decrease of CP disappearance and CH4 (except for cumin) production as Mm-1 incubated. Findings revealed that these essential oils may allow manipulation of rumen microbial fermentation.

Keywords

, Essential oil, In vitro, Methane, Rumen
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@article{paperid:1045007,
author = {Jahani Azizabadi, Hossein and Danesh Mesgaran, Mohsen and Vakili, Seyed Alireza and K. Rezayazdi},
title = {Effect of Some Plant Essential Oils on In vitro Ruminal Methane Production and on Fermentation Characteristics of a Mid-forage Diet},
journal = {Journal of Agricultural Science and Technology},
year = {2014},
volume = {16},
number = {6},
month = {December},
issn = {1680-7073},
pages = {1543--1554},
numpages = {11},
keywords = {Essential oil; In vitro; Methane; Rumen},
}

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%0 Journal Article
%T Effect of Some Plant Essential Oils on In vitro Ruminal Methane Production and on Fermentation Characteristics of a Mid-forage Diet
%A Jahani Azizabadi, Hossein
%A Danesh Mesgaran, Mohsen
%A Vakili, Seyed Alireza
%A K. Rezayazdi
%J Journal of Agricultural Science and Technology
%@ 1680-7073
%D 2014

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