期刊
BIORESOURCE TECHNOLOGY
卷 111, 期 -, 页码 336-342出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2012.02.001
关键词
White rot fungi; In-vitro gas production; Wheat straw
资金
- AST of the Ministry of Agricultural and Rural Development of Vietnam
- Animal Nutrition Group of Wageningen University and Research Center (The Netherlands)
- Mushroom Research Group of Wageningen University and Research Center (The Netherlands)
Eleven white-rot fungi were examined for their potency to degrade lignin and to improve the rumen fermentability of wheat straw. The straw was inoculated with the fungi and incubated under solid state conditions at 24 degrees C for 0-49 days to determine changes in in vitro gas production and chemical composition. Results show that some fungi could degrade lignin by as much as 63%, yet the delignification was highly correlated with the degradation of hemicellulose (r = 0.96). Reduction in lignin was poorly (r = 0.47), but the ratio between lignin and cellulose loss was strongly (r = 0.87) correlated with the increase in gas production. Treatment with Ceriporiopsis subvermispora for 49 days increased total gas production of the straw from 200 to 309 mug organic matter (OM). It was concluded that some fungi highly selective for lignin and not for cellulose are able to improve the nutritive value of wheat straw as a ruminant feed. (C) 2012 Elsevier Ltd. All rights reserved.
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