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http://dx.doi.org/10.14480/JM.2014.12.2.138

Effects of supplementation of spent mushroom (Flammulina velutipes) substrates on the fermentative quality of rye silage  

Moon, Yea-Hwang (Department of Animal Science & Biotechnology, Gyeongnam National University of Science and Technology)
Kim, Su Cheol (Department of Pharmaceutical Engineering, Gyeongnam National University of Science and Technology)
Cho, Woong Gi (Department of Animal Science & Biotechnology, Gyeongnam National University of Science and Technology)
Lee, Sung Sill (Division of Applied Life Science, Gyeongsang National University)
Cho, Soo Jeong (Department of Pharmaceutical Engineering, Gyeongnam National University of Science and Technology)
Publication Information
Journal of Mushroom / v.12, no.2, 2014 , pp. 138-143 More about this Journal
Abstract
This study was conducted to know the optimal supplementary level of spent mushroom substrates (Flammulina velutipes) as an energy source and fermentation period in manufacturing of rye silage. Whole crop rye was harvested at full bloom stage and ensiled with spent mushroom substrates of 20%(S-20), 40%(S-40) and 60%(S-60) as fresh matter basis. Each silage was prepared in plastic buckets included with vinyl bag by three replications and fermented for 3, 6 and 9 weeks, respectively. Moisture contents of whole crop rye at full bloom stage and spent mushroom substrates were 62.3% and 54.3%, respectively, and those of silages was ranged from 58% to 64%. Ether extracts content of silages was significantly (P<0.05) increased in 6 weeks of fermentation period. The pH of silages ranged from 4.46 to 5.05, and fluctuated in the changes by fermentation period beside of decreased with elapsing the period in the S-60. The organic acid content of silages was higher in the order of lactic acid, butyric acid, acetic acid and propionic acid. Lactic acid content was higher when fermented for 6 weeks compared to the other fermentation period. Flieg's score for estimation of silage quality ranged from 63 to 80, and was relatively high level in the S-20 and the S-40 fermented for 6 weeks, and was high level in S-20, and was relatively low level in the silages fermented for 3 week. Hence, we suggest that supplementation of 20% spent mushroom substrates in fresh matter basis and fermentation for 6 weeks are resonable for a good quality of rye silage.
Keywords
Flammulina velutipes; Flieg's score; Organic acid; Rye silage; Spent mushroom substrates;
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Times Cited By KSCI : 3  (Citation Analysis)
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