Screening Experiment of Fermented Corn Stalk with Fungi and Enzyme Mixed Preparation

  • WU Lipo ,
  • JIANG Ning ,
  • ZHANG Aizhong
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  • 1. Key Laboratory of High Efficiency Utilization and Nutrition Manipulation of Feed Resources in Cold Areas of Heilongjiang Province, College of Animal Science and Technology, Heilongjiang Bayi Agricultural Reclamation University, Daqing 163319, China;
    2. National Engineering Laboratory for Pollution Control and Waste Utilization in Livestock and Poultry Production, Changsha 410125, China

Received date: 2020-01-31

  Online published: 2020-07-15

Abstract

The purpose of this experiment was to explore the optimum fermentation condition and effects of corn stalk fermented with fungi and enzyme mixed preparation. The degradable rate of neutral detergent fiber (NDF) and acid detergent fiber (ADF) were used as the evaluative indices in the uniform design, the fermentation days and the supplemented proportion of Phanerochaete chrysosporium, cellulase, xylanase were evaluated and screened. The results showed that the contents of dry matter, crude protein in fermented stalk were significantly higher than those in the unfermented stalk (P<0.05) and the contents of acid detergent lignine, NDF and ADF in fermented stalk were significantly lower than those in unfermented stalk (P<0.05). The optimum ferment condition:cellulase is 0.2 g/kg, xylanase is 0.1 g/kg, Phanerochaete chrysosporium is 20% and fermentation day is 19 days. The degradable rates of NDF and ADF are 23.47% and 20.13%, respectively.

Cite this article

WU Lipo , JIANG Ning , ZHANG Aizhong . Screening Experiment of Fermented Corn Stalk with Fungi and Enzyme Mixed Preparation[J]. Chinese Journal of Animal Nutrition, 2020 , 32(7) : 3358 -3364 . DOI: 10.3969/j.issn.1006-267x.2020.07.045

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