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In vitro assessment of digestibility and rumen fermentation of ammoniated rice straw based beef diet, supplemented with extract of garlic and Sapindus rarak

Submitted by timweb5 on Tue, 05/05/2015 - 11:52
TitleIn vitro assessment of digestibility and rumen fermentation of ammoniated rice straw based beef diet, supplemented with extract of garlic and Sapindus rarak
Publication TypeJournal Article
Year of Publication2015
AuthorsPrayitno CHadi, Suwarno S, Susanto A
JournalLivestock Research for Rural Development
Volume 27
Issue5
Pagination8 pages
Date Published05/2015
Type of ArticleResearch Paper
ISSN0121-3784
Keywordsherbal, methane, microbial rumen
Abstract

The study was conducted to investigate the effect of garlic extract and Sapindus rarak extract    on rumen fermentation and rumen microbial structure in vitro experiment. Randomized completely block design was used in this study. There were 6 treatments and 5 blocks included. The materials of this study consisted of rumen fluid of beef cattle. The diet of beef cattle was composed of 40% ammoniated rice straw and 60% concentrates The experimental treatments were, CARS : Concentrate:ammoniated rice straw (60:40),  G250 : CARS + 250 ppm GE), G250-SR :  CARS+  250 ppm GE + 0.18 % SRE,  G500-SR :  CARS + 500 ppm GE + 0.18% SRE, G750-SR :  CARS + 750 ppm GE + 0.18% SRE, and G1000-SR :  CARS + 1000 ppm GE + 0.18% SRE. Supplementation of  garlic and S. rarak extract did not affect the pH and digestibility (of DM and OM) and it lowered crude fiber digestibily as much as 13.0% - 16.6%.  Supplementation of 250 ppm GE  or 250 ppm garlic extrac and 0.18% Sapindus rarak extract in beef cattle decreased acetate, protozoa population and increased propionate. Supplementation of 250 ppm garlic extract and 0.18% Sapindus rarak extract in the  ammoniated rice straw based beef diet resulted in the increase of rumen fermentation efficiency as indicated by the low production of acetate and methane, and high production of propionate

URLhttp://www.lrrd.org/lrrd27/5/pray27094.htm