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http://dx.doi.org/10.5713/ajas.2013.13617

Effects of Microbial Additives on Chemical Composition and Fermentation Characteristics of Barley Silage  

Amanullah, S.M. (Division of Applied Life Science (BK21Plus, Institute of Agriculture and Life Science), Gyeongsang National University)
Kim, D.H. (Division of Applied Life Science (BK21Plus, Institute of Agriculture and Life Science), Gyeongsang National University)
Lee, H.J. (Division of Applied Life Science (BK21Plus, Institute of Agriculture and Life Science), Gyeongsang National University)
Joo, Y.H. (Division of Applied Life Science (BK21Plus, Institute of Agriculture and Life Science), Gyeongsang National University)
Kim, S.B. (National Institute of Animal Science, RDA)
Kim, S.C. (Division of Applied Life Science (BK21Plus, Institute of Agriculture and Life Science), Gyeongsang National University)
Publication Information
Asian-Australasian Journal of Animal Sciences / v.27, no.4, 2014 , pp. 511-517 More about this Journal
Abstract
This study examined the effects of bacterial inoculants on chemical composition and fermentation indices of barley silage. Barley forage (Youngyang) was harvested at 24% dry matter (DM) and wilted to 47.9% DM. The wilted barley forage was chopped to 3-5 cm length and applied with no inoculant (CON), L. plantarum ($1{\times}10^{10}cfu/g$, LP) or Effective Microorganisms ($0.5{\times}10^9cfu/g$, EM). Then the forages were ensiled in four replications for each treatment in 20 L mini silos and stored for 100 days. The contents of crude protein and ether extract were higher in CON silage ensiled for 100-d, while the contents of DM and crude ash were higher in EM silage (p<0.05). The contents of ADF, NDF and hemicellulose as well as the in vitro DM digestibility were not affected by microbial inoculation (p>0.05). The pH, ammonia-N concentration and lactate to acetate ratio were higher (p<0.05) in CON silage, while lactate concentrations were higher (p<0.05) in CON and LP silage. Acetate concentration and lactic acid bacteria was increased (p<0.05) by both inoculants (LP and EM), but propionate concentration and yeast was increased (p<0.05) by EM and LP, respectively. These results indicated that the fermentation quality of barley silage was improved by the application of bacterial inoculants.
Keywords
Aerobic Stability; Bacterial Inoculant; Barley Silage; Fermentation Indices;
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