Microbial fermentation is used to improve the nutritional value of quinoa straw. When a single fermentation of lactic acid bacteria, set fermentation time, water content and the amount of bacteria added 3 test factors, lactic acid bacteria and yeast mixture bacteria fermentation quinoa straw test set fermentation time, water content and mixing ratio of 3 test factors, all using L9 (34) orthogonal principle design test, crude fiber, coarse protein, coarse fat and soluble sugar 4 nutritional indicators to do the response surface treatment. At the same time, a comparative experiment of black buckite on quinoa straw fermentation feed was done.
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