中国农业科 学 2008,41(6):1810-1815

Abstract:【Objective】The experiment was aimed to study the effect of two silage fermentative inhibitors-sodium diacetate (SDA) and sodium dehydroacetate (SD) that normally are used as food preservatives on quality and aerobic stability of corn silage 【Method】In the experiment, whole newly-mowed corn...

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Other Authors: The Pennsylvania State University CiteSeerX Archives
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Language:English
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DML
Online Access:http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.545.3682
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Summary:Abstract:【Objective】The experiment was aimed to study the effect of two silage fermentative inhibitors-sodium diacetate (SDA) and sodium dehydroacetate (SD) that normally are used as food preservatives on quality and aerobic stability of corn silage 【Method】In the experiment, whole newly-mowed corn plants as raw materials were ensiled after treatment with 0.4 % SDA and 0.1 % SD, respectively, and then were taken to compare with negative control (no additives used) and positive control (with acidizer added, 3 ml·kg-1 LuproMix NC). 【Result】The results of the experiment showed that SD-treated silage had lower values in the quantities of molds and yeasts, dry matter loss (DML), and VBN/TN than both the negative control and the positive control significantly (P<0.05). SDA-treated silage had the highest lactic acid and acetic acid concentrations, but its DML and VBN/TN were lower than the negative control, but not significant (P>0.05). For aerobic stability, SD-treated silage were the greatest (>213 h), and SDA-teated silage (>147 h) were poorer than the positive control (LuproMix-treated, >187 h), but better than the negative control (118 h). 【Conclusion】Thus, addition of SD or SDA did not affect the quality of corn silage but significantly improved