In order to transform rape straw into an effective animal feed, white rot fungi were isolated from rape straw buried under soil for about 30 days, and the effects of white rot fungi and culture formula (1, 2 and 3) on cellulose degradation rate and crude protein level in rape straw was studied. The results showed that 35 white rot fungi were isolated from rapeseed stalks buried under soil for about 30 days, among which white rot fungus strains LX03 and LX08 grew fast and had high D/d values. Two white rot fungi (LX03 and LX08) were inoculated separately into three solid culture formulations, and the results showed that both the degradation rate of cellulose and the crude protein content in rape straw fermented material by LX03 and LX08 had an increasing trend with the increase of fermentation time. The degradation effect of strain LX03 on rape straw cellulose was better than that of strain LX08. Compared with Formulation 2 and Formulation 3, Formulation 1 was more conducive to the growth of strain LX03 and the degradation of cellulose (P<0.01).

Topics
Polymers, Fungi, Proteins, Fermentation process
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