In order to improve the comprehensive utilization value of water chestnut peel and the income of farmers. Contents of crude protein( CP),total sugar and reducing sugar were taken as indicators. Effects of initial p H,ratio of yeast to fungi species,incubation time and liquid volume on production of single cell protein( SCP) feed was studied,and technological conditions on production of SCP feed by water chestnut peel were optimized by orthogonal test. Results showed that the production of SCP feed by water chestnut peel was optimal when p H was 5. 0,ratio of yeast to fungi species was 2:1,fermentation time was 2 d and the liquid volume was 70 m L/250 m L. Under the optimum conditions,content of fermentation CP was 64. 25%,content of total sugar was 19. 8%,content of reducing sugar was 5. 0%,content of coarse fibre was 0. 0% and content of ash was 8. 04%.
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