Nihon Danchi Chikusan Gakkaihou
Online ISSN : 2185-1670
Print ISSN : 2185-081X
ISSN-L : 2185-081X
Original Articles (Full Papers)
Effect of Crushing or Rubbing Treatment of Moso Bamboo on its Preservation and Fermentation Quality
Ichiro OSHIMAYohei KATOMasashi HISADAAi ISHIKAWAJun HIROSEDaisuke ISHIIKiyoharu SHIRASAKASatoshi MATSUMOTOKiyomi KATAHIRAYuki CHIKARAKoji TAKAYAMAYoshitaka NAKANISHI
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2015 Volume 58 Issue 2 Pages 225-232

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Abstract

 Bamboo ensilage fermentation was compared between crushed (C) and rubbed (R) bamboo in 2 experiments. In experiment 1 the C and R were deaerated and sealed without moisture control. Changes in the viable counts of lactic acid bacteria, pH and organic acid composition in the C and R were investigated 0, 1, 2 and 3 months after sealing. The fraction (<1 mm) occupancy rate of bamboo chips was significantly higher in the R than in the C (P < 0.01). Although little change was found in the pH of the C during the storage period the number of lactic acid bacteria decreased significantly as time progressed (P < 0.05). In contrast, the pH of the R decreased and the lactic acid content increased. The number of lactic acid bacteria and the lactic acid content were significantly higher in the R compared with the C. However, the pH was significantly lower in the former than in the latter the 3rd month after silage preparation (P < 0.05).   In experiment 2, the C and R were prepared with a moisture content of 65%. The R showed significantly lower pH, acetic acid content and NH3-N content compared with the C (P < 0.05). However, the lactic acid content was not different between the R and C the 1st month after the preparation. Therefore, the V2-SCORE was indicative of good quality silage in both the C and the R.   From these results, both the C and the R are potential silage materials and their lactic acid fermentation is promoted by moisture control. However, rubbing treatment can provide higher advantage for lactic acid bacteria growth compared with crushing treatment.

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© Journal of Warm Regional Society of Animal Science, Japan 58(2): 225-232, 2015
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